21470075223474 has 16 divisors (see below), whose sum is σ = 42940195899840. Its totient is φ = 7156684165680.

The previous prime is 21470075223433. The next prime is 21470075223479. The reversal of 21470075223474 is 47432257007412.

It is not an unprimeable number, because it can be changed into a prime (21470075223479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9820632 + ... + 11806140.

It is an arithmetic number, because the mean of its divisors is an integer number (2683762243740).

Almost surely, 2^{21470075223474} is an apocalyptic number.

21470075223474 is an abundant number, since it is smaller than the sum of its proper divisors (21470120676366).

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

21470075223474 is a wasteful number, since it uses less digits than its factorization.

21470075223474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787745.

The product of its (nonzero) digits is 2634240, while the sum is 48.

The spelling of 21470075223474 in words is "twenty-one trillion, four hundred seventy billion, seventy-five million, two hundred twenty-three thousand, four hundred seventy-four".