3656502657342 has 16 divisors (see below), whose sum is σ = 8125561460880. Its totient is φ = 1218834219096.

The previous prime is 3656502657329. The next prime is 3656502657391. The reversal of 3656502657342 is 2437562056563.

3656502657342 is a `hidden beast` number, since 3 + 6 + 5 + 6 + 5 + 0 + 26 + 573 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 67713012173 = 3656502657342 / (3 + 6 + 5 + 6 + 5 + 0 + 2 + 6 + 5 + 7 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33856506033 + ... + 33856506140.

It is an arithmetic number, because the mean of its divisors is an integer number (507847591305).

Almost surely, 2^{3656502657342} is an apocalyptic number.

3656502657342 is an abundant number, since it is smaller than the sum of its proper divisors (4469058803538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3656502657342 is a wasteful number, since it uses less digits than its factorization.

3656502657342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67713012184 (or 67713012178 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 54.

The spelling of 3656502657342 in words is "three trillion, six hundred fifty-six billion, five hundred two million, six hundred fifty-seven thousand, three hundred forty-two".