21462732354 has 48 divisors (see below), whose sum is σ = 50448551328. Its totient is φ = 6068982528.

The previous prime is 21462732307. The next prime is 21462732377. The reversal of 21462732354 is 45323726412.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347784 + ... + 404819.

It is an arithmetic number, because the mean of its divisors is an integer number (1051011486).

Almost surely, 2^21462732354 is an apocalyptic number.

21462732354 is an abundant number, since it is smaller than the sum of its proper divisors (28985818974).

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

21462732354 is a wasteful number, since it uses less digits than its factorization.

21462732354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752719 (or 752712 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The spelling of 21462732354 in words is "twenty-one billion, four hundred sixty-two million, seven hundred thirty-two thousand, three hundred fifty-four".