3918095437 has 4 divisors (see below), whose sum is σ = 3992021820. Its totient is φ = 3844169056.

The previous prime is 3918095429. The next prime is 3918095449. The reversal of 3918095437 is 7345908193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2620006596 + 1298088841 = 51186^2 + 36029^2 .

It is a cyclic number.

It is not a de Polignac number, because 3918095437 - 2³ = 3918095429 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918095407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36963112 + ... + 36963217.

It is an arithmetic number, because the mean of its divisors is an integer number (998005455).

Almost surely, 2^3918095437 is an apocalyptic number.

It is an amenable number.

3918095437 is a deficient number, since it is larger than the sum of its proper divisors (73926383).

3918095437 is an equidigital number, since it uses as much as digits as its factorization.

3918095437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73926382.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 3918095437 is about 62594.6917637590. The cubic root of 3918095437 is about 1576.4916329156.

The spelling of 3918095437 in words is "three billion, nine hundred eighteen million, ninety-five thousand, four hundred thirty-seven".