3656542542 has 8 divisors (see below), whose sum is σ = 7313085096. Its totient is φ = 1218847512.

The previous prime is 3656542541. The next prime is 3656542573. The reversal of 3656542542 is 2452456563.

It is a sphenic number, since it is the product of 3 distinct primes.

3656542542 is an admirable number.

It is a super-2 number, since 2×3656542542² = 26740606722911643528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3656542494 and 3656542503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656542541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304711873 + ... + 304711884.

It is an arithmetic number, because the mean of its divisors is an integer number (914135637).

Almost surely, 2^3656542542 is an apocalyptic number.

3656542542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3656542542 is a wasteful number, since it uses less digits than its factorization.

3656542542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609423762.

The product of its digits is 864000, while the sum is 42.

The square root of 3656542542 is about 60469.3520884754. The cubic root of 3656542542 is about 1540.6011233414.

The spelling of 3656542542 in words is "three billion, six hundred fifty-six million, five hundred forty-two thousand, five hundred forty-two".