3656443062623 has 48 divisors (see below), whose sum is σ = 4194350788320. Its totient is φ = 3186909588096.

The previous prime is 3656443062619. The next prime is 3656443062637. The reversal of 3656443062623 is 3262603446563.

It is a happy number.

It is not a de Polignac number, because 3656443062623 - 2² = 3656443062619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656443062523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243479411 + ... + 243494427.

It is an arithmetic number, because the mean of its divisors is an integer number (87382308090).

Almost surely, 2^{3656443062623} is an apocalyptic number.

3656443062623 is a deficient number, since it is larger than the sum of its proper divisors (537907725697).

3656443062623 is a wasteful number, since it uses less digits than its factorization.

3656443062623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15401 (or 15356 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 50.

The spelling of 3656443062623 in words is "three trillion, six hundred fifty-six billion, four hundred forty-three million, sixty-two thousand, six hundred twenty-three".