5816647637 has 2 divisors, whose sum is σ = 5816647638. Its totient is φ = 5816647636.

The previous prime is 5816647633. The next prime is 5816647687. The reversal of 5816647637 is 7367466185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3473216356 + 2343431281 = 58934^2 + 48409^2 .

It is a cyclic number.

It is not a de Polignac number, because 5816647637 - 2² = 5816647633 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5816647633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2908323818 + 2908323819.

It is an arithmetic number, because the mean of its divisors is an integer number (2908323819).

Almost surely, 2^5816647637 is an apocalyptic number.

It is an amenable number.

5816647637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5816647637 is an equidigital number, since it uses as much as digits as its factorization.

5816647637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The square root of 5816647637 is about 76266.9498341188. The cubic root of 5816647637 is about 1798.4191508124.

The spelling of 5816647637 in words is "five billion, eight hundred sixteen million, six hundred forty-seven thousand, six hundred thirty-seven".