3652568218623 has 4 divisors (see below), whose sum is σ = 4870090958168. Its totient is φ = 2435045479080.

The previous prime is 3652568218609. The next prime is 3652568218681. The reversal of 3652568218623 is 3268128652563.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3652568218623 - 2⁵ = 3652568218591 is a prime.

It is a super-2 number, since 2×3652568218623² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652568218603) 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, 608761369768 + ... + 608761369773.

It is an arithmetic number, because the mean of its divisors is an integer number (1217522739542).

Almost surely, 2^{3652568218623} is an apocalyptic number.

3652568218623 is a deficient number, since it is larger than the sum of its proper divisors (1217522739545).

3652568218623 is a wasteful number, since it uses less digits than its factorization.

3652568218623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217522739544.

The product of its digits is 24883200, while the sum is 57.

The spelling of 3652568218623 in words is "three trillion, six hundred fifty-two billion, five hundred sixty-eight million, two hundred eighteen thousand, six hundred twenty-three".