68462471432 has 16 divisors (see below), whose sum is σ = 130789156140. Its totient is φ = 33585363136.

The previous prime is 68462471381. The next prime is 68462471459. The reversal of 68462471432 is 23417426486.

68462471432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 67316378116 + 1146093316 = 259454^2 + 33854^2 .

It is a super-2 number, since 2×68462471432² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80733623 + ... + 80734470.

Almost surely, 2^68462471432 is an apocalyptic number.

It is an amenable number.

68462471432 is a deficient number, since it is larger than the sum of its proper divisors (62326684708).

68462471432 is a wasteful number, since it uses less digits than its factorization.

68462471432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161468152 (or 161468148 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 47.

The spelling of 68462471432 in words is "sixty-eight billion, four hundred sixty-two million, four hundred seventy-one thousand, four hundred thirty-two".