21469007274 has 48 divisors (see below), whose sum is σ = 50721855264. Its totient is φ = 6005313600.

The previous prime is 21469007267. The next prime is 21469007291. The reversal of 21469007274 is 47270096412.

It is a super-2 number, since 2×21469007274² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 951237 + ... + 973544.

It is an arithmetic number, because the mean of its divisors is an integer number (1056705318).

Almost surely, 2^21469007274 is an apocalyptic number.

21469007274 is an abundant number, since it is smaller than the sum of its proper divisors (29252847990).

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

21469007274 is a wasteful number, since it uses less digits than its factorization.

21469007274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924823 (or 1924810 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 21469007274 in words is "twenty-one billion, four hundred sixty-nine million, seven thousand, two hundred seventy-four".