3402361405021 has 4 divisors (see below), whose sum is σ = 3411838735200. Its totient is φ = 3392884074844.

The previous prime is 3402361405007. The next prime is 3402361405049. The reversal of 3402361405021 is 1205041632043.

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 3402361405021 - 2¹⁹ = 3402360880733 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 (3402361405321) 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, 4738664551 + ... + 4738665268.

It is an arithmetic number, because the mean of its divisors is an integer number (852959683800).

Almost surely, 2^{3402361405021} is an apocalyptic number.

It is an amenable number.

3402361405021 is a deficient number, since it is larger than the sum of its proper divisors (9477330179).

3402361405021 is an equidigital number, since it uses as much as digits as its factorization.

3402361405021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477330178.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 3402361405021 in words is "three trillion, four hundred two billion, three hundred sixty-one million, four hundred five thousand, twenty-one".