3671247158257 has 6 divisors (see below), whose sum is σ = 4270634449458. Its totient is φ = 3146783278464.

The previous prime is 3671247158219. The next prime is 3671247158261. The reversal of 3671247158257 is 7528517421763.

It can be written as a sum of positive squares in only one way, i.e., 3303029995776 + 368217162481 = 1817424^2 + 606809^2 .

It is not a de Polignac number, because 3671247158257 - 2⁷ = 3671247158129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3671247158857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37461705648 + ... + 37461705745.

It is an arithmetic number, because the mean of its divisors is an integer number (711772408243).

Almost surely, 2^{3671247158257} is an apocalyptic number.

It is an amenable number.

3671247158257 is a deficient number, since it is larger than the sum of its proper divisors (599387291201).

3671247158257 is an equidigital number, since it uses as much as digits as its factorization.

3671247158257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74923411407 (or 74923411400 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 58.

The spelling of 3671247158257 in words is "three trillion, six hundred seventy-one billion, two hundred forty-seven million, one hundred fifty-eight thousand, two hundred fifty-seven".