21467157620630 has 32 divisors (see below), whose sum is σ = 38826106147584. Its totient is φ = 8545726210176.

The previous prime is 21467157620603. The next prime is 21467157620651. The reversal of 21467157620630 is 3602675176412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5774552 + ... + 8733828.

It is an arithmetic number, because the mean of its divisors is an integer number (1213315817112).

Almost surely, 2^{21467157620630} is an apocalyptic number.

21467157620630 is a deficient number, since it is larger than the sum of its proper divisors (17358948526954).

21467157620630 is a wasteful number, since it uses less digits than its factorization.

21467157620630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962760.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 21467157620630 in words is "twenty-one trillion, four hundred sixty-seven billion, one hundred fifty-seven million, six hundred twenty thousand, six hundred thirty".