3687942893 has 2 divisors, whose sum is σ = 3687942894. Its totient is φ = 3687942892.

The previous prime is 3687942829. The next prime is 3687942899. The reversal of 3687942893 is 3982497863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3667755844 + 20187049 = 60562^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687942893 - 2⁶ = 3687942829 is a prime.

It is a super-3 number, since 3×3687942893³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687942899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843971446 + 1843971447.

It is an arithmetic number, because the mean of its divisors is an integer number (1843971447).

Almost surely, 2^3687942893 is an apocalyptic number.

It is an amenable number.

3687942893 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687942893 is an equidigital number, since it uses as much as digits as its factorization.

3687942893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 59.

The square root of 3687942893 is about 60728.4356212145. The cubic root of 3687942893 is about 1544.9985013409.

The spelling of 3687942893 in words is "three billion, six hundred eighty-seven million, nine hundred forty-two thousand, eight hundred ninety-three".