3802929082561 has 4 divisors (see below), whose sum is σ = 4346204665792. Its totient is φ = 3259653499332.

The previous prime is 3802929082553. The next prime is 3802929082571. The reversal of 3802929082561 is 1652809292083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3802929082561 - 2³ = 3802929082553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3802929082501) 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, 271637791605 + ... + 271637791618.

It is an arithmetic number, because the mean of its divisors is an integer number (1086551166448).

Almost surely, 2^{3802929082561} is an apocalyptic number.

It is an amenable number.

3802929082561 is a deficient number, since it is larger than the sum of its proper divisors (543275583231).

3802929082561 is an equidigital number, since it uses as much as digits as its factorization.

3802929082561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543275583230.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 3802929082561 in words is "three trillion, eight hundred two billion, nine hundred twenty-nine million, eighty-two thousand, five hundred sixty-one".