3679505560557 has 6 divisors (see below), whose sum is σ = 5314841365262. Its totient is φ = 2453003707032.

The previous prime is 3679505560463. The next prime is 3679505560567. The reversal of 3679505560557 is 7550655059763.

3679505560557 is a `hidden beast` number, since 3 + 6 + 79 + 5 + 0 + 5 + 5 + 6 + 0 + 557 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2860093174761 + 819412385796 = 1691181^2 + 905214^2 .

It is not a de Polignac number, because 3679505560557 - 2¹⁴ = 3679505544173 is a prime.

It is a super-2 number, since 2×3679505560557² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3679505560494 and 3679505560503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3679505560567) 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, 204416975578 + ... + 204416975595.

Almost surely, 2^{3679505560557} is an apocalyptic number.

It is an amenable number.

3679505560557 is a deficient number, since it is larger than the sum of its proper divisors (1635335804705).

3679505560557 is a wasteful number, since it uses less digits than its factorization.

3679505560557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408833951179 (or 408833951176 counting only the distinct ones).

The product of its (nonzero) digits is 148837500, while the sum is 63.

The spelling of 3679505560557 in words is "three trillion, six hundred seventy-nine billion, five hundred five million, five hundred sixty thousand, five hundred fifty-seven".