5307868634645 has 18 divisors (see below), whose sum is σ = 6382767561378. Its totient is φ = 4237429974208.

The previous prime is 5307868634633. The next prime is 5307868634659. The reversal of 5307868634645 is 5464368687035.

It can be written as a sum of positive squares in 3 ways, for example, as 2105232687364 + 3202635947281 = 1450942^2 + 1789591^2 .

It is not a de Polignac number, because 5307868634645 - 2¹⁸ = 5307868372501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3704024849 + ... + 3704026281.

Almost surely, 2^{5307868634645} is an apocalyptic number.

It is an amenable number.

5307868634645 is a deficient number, since it is larger than the sum of its proper divisors (1074898926733).

5307868634645 is an frugal number, since it uses more digits than its factorization.

5307868634645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 65.

The spelling of 5307868634645 in words is "five trillion, three hundred seven billion, eight hundred sixty-eight million, six hundred thirty-four thousand, six hundred forty-five".