21467157250430 has 16 divisors (see below), whose sum is σ = 39583343613744. Its totient is φ = 8377427219520.

The previous prime is 21467157250369. The next prime is 21467157250477. The reversal of 21467157250430 is 3405275176412.

It is a congruent number.

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, 26179459652 + ... + 26179460471.

It is an arithmetic number, because the mean of its divisors is an integer number (2473958975859).

Almost surely, 2^{21467157250430} is an apocalyptic number.

21467157250430 is a deficient number, since it is larger than the sum of its proper divisors (18116186363314).

21467157250430 is a wasteful number, since it uses less digits than its factorization.

21467157250430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52358920171.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 21467157250430 in words is "twenty-one trillion, four hundred sixty-seven billion, one hundred fifty-seven million, two hundred fifty thousand, four hundred thirty".