21470734622404 has 6 divisors (see below), whose sum is σ = 37573785589214. Its totient is φ = 10735367311200.

The previous prime is 21470734622387. The next prime is 21470734622413. The reversal of 21470734622404 is 40422643707412.

It can be written as a sum of positive squares in only one way, i.e., 21084186429504 + 386548192900 = 4591752^2 + 621730^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2683841827797 + ... + 2683841827804.

Almost surely, 2^{21470734622404} is an apocalyptic number.

It is an amenable number.

21470734622404 is a deficient number, since it is larger than the sum of its proper divisors (16103050966810).

21470734622404 is a wasteful number, since it uses less digits than its factorization.

21470734622404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367683655605 (or 5367683655603 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 46.

The spelling of 21470734622404 in words is "twenty-one trillion, four hundred seventy billion, seven hundred thirty-four million, six hundred twenty-two thousand, four hundred four".