3655256861883 has 16 divisors (see below), whose sum is σ = 5318416198656. Its totient is φ = 2214607628640.

The previous prime is 3655256861813. The next prime is 3655256861887. The reversal of 3655256861883 is 3881686525563.

It is not a de Polignac number, because 3655256861883 - 2²² = 3655252667579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3655256861887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17382916 + ... + 17591937.

It is an arithmetic number, because the mean of its divisors is an integer number (332401012416).

Almost surely, 2^{3655256861883} is an apocalyptic number.

3655256861883 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3655256861883 is a deficient number, since it is larger than the sum of its proper divisors (1663159336773).

3655256861883 is a wasteful number, since it uses less digits than its factorization.

3655256861883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34978034.

The product of its digits is 248832000, while the sum is 66.

The spelling of 3655256861883 in words is "three trillion, six hundred fifty-five billion, two hundred fifty-six million, eight hundred sixty-one thousand, eight hundred eighty-three".