21465421355130 has 16 divisors (see below), whose sum is σ = 51517011252384. Its totient is φ = 5724112361360.

The previous prime is 21465421355099. The next prime is 21465421355173. The reversal of 21465421355130 is 3155312456412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357757022556 + ... + 357757022615.

It is an arithmetic number, because the mean of its divisors is an integer number (3219813203274).

Almost surely, 2^{21465421355130} is an apocalyptic number.

21465421355130 is an abundant number, since it is smaller than the sum of its proper divisors (30051589897254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21465421355130 is a wasteful number, since it uses less digits than its factorization.

21465421355130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715514045181.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 21465421355130 in words is "twenty-one trillion, four hundred sixty-five billion, four hundred twenty-one million, three hundred fifty-five thousand, one hundred thirty".