3937535837 has 4 divisors (see below), whose sum is σ = 4011829020. Its totient is φ = 3863242656.

The previous prime is 3937535783. The next prime is 3937535863. The reversal of 3937535837 is 7385357393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7385357393 = 149 ⋅49566157.

It can be written as a sum of positive squares in 2 ways, for example, as 3160575961 + 776959876 = 56219^2 + 27874^2 .

It is a cyclic number.

It is not a de Polignac number, because 3937535837 - 2¹⁰ = 3937534813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 74293129 = 3937535837 / (3 + 9 + 3 + 7 + 5 + 3 + 5 + 8 + 3 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937535237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37146512 + ... + 37146617.

It is an arithmetic number, because the mean of its divisors is an integer number (1002957255).

Almost surely, 2^3937535837 is an apocalyptic number.

It is an amenable number.

3937535837 is a deficient number, since it is larger than the sum of its proper divisors (74293183).

3937535837 is an equidigital number, since it uses as much as digits as its factorization.

3937535837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74293182.

The product of its digits is 7144200, while the sum is 53.

The square root of 3937535837 is about 62749.7875454571. The cubic root of 3937535837 is about 1579.0946900742.

The spelling of 3937535837 in words is "three billion, nine hundred thirty-seven million, five hundred thirty-five thousand, eight hundred thirty-seven".