21407316457022 has 4 divisors (see below), whose sum is σ = 32110974685536. Its totient is φ = 10703658228510.

The previous prime is 21407316456979. The next prime is 21407316457091. The reversal of 21407316457022 is 22075461370412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5351829114254 + ... + 5351829114257.

It is an arithmetic number, because the mean of its divisors is an integer number (8027743671384).

Almost surely, 2^{21407316457022} is an apocalyptic number.

21407316457022 is a deficient number, since it is larger than the sum of its proper divisors (10703658228514).

21407316457022 is a wasteful number, since it uses less digits than its factorization.

21407316457022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10703658228513.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 21407316457022 in words is "twenty-one trillion, four hundred seven billion, three hundred sixteen million, four hundred fifty-seven thousand, twenty-two".