1979359432 has 32 divisors (see below), whose sum is σ = 3777943680. Its totient is φ = 972047680.

The previous prime is 1979359427. The next prime is 1979359451. The reversal of 1979359432 is 2349539791.

It is a happy number.

It is a super-2 number, since 2×1979359432² = 7835727522094725248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1979359432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106257 + ... + 123487.

It is an arithmetic number, because the mean of its divisors is an integer number (118060740).

Almost surely, 2^1979359432 is an apocalyptic number.

It is an amenable number.

1979359432 is a deficient number, since it is larger than the sum of its proper divisors (1798584248).

1979359432 is a wasteful number, since it uses less digits than its factorization.

1979359432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17493 (or 17489 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The square root of 1979359432 is about 44489.9924926944. The cubic root of 1979359432 is about 1255.5718059081.

It can be divided in two parts, 1979359 and 432, that added together give a palindrome (1979791).

The spelling of 1979359432 in words is "one billion, nine hundred seventy-nine million, three hundred fifty-nine thousand, four hundred thirty-two".