6138989632 has 14 divisors (see below), whose sum is σ = 12182057678. Its totient is φ = 3069494784.

The previous prime is 6138989621. The next prime is 6138989651. The reversal of 6138989632 is 2369898316.

It can be written as a sum of positive squares in only one way, i.e., 4609866816 + 1529122816 = 67896^2 + 39104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47960793 + ... + 47960920.

It is an arithmetic number, because the mean of its divisors is an integer number (870146977).

Almost surely, 2^6138989632 is an apocalyptic number.

It is an amenable number.

6138989632 is a deficient number, since it is larger than the sum of its proper divisors (6043068046).

6138989632 is an equidigital number, since it uses as much as digits as its factorization.

6138989632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95921725 (or 95921715 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The square root of 6138989632 is about 78351.7047166174. The cubic root of 6138989632 is about 1831.0447846669.

The spelling of 6138989632 in words is "six billion, one hundred thirty-eight million, nine hundred eighty-nine thousand, six hundred thirty-two".