6632525138 has 6 divisors (see below), whose sum is σ = 9948960471. Its totient is φ = 3316204982.

The previous prime is 6632525101. The next prime is 6632525143. The reversal of 6632525138 is 8315252366.

It can be written as a sum of positive squares in only one way, i.e., 3316262569 + 3316262569 = 57587^2 + 57587^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57587.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6632525095 and 6632525104.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 86381 + ... + 143967.

Almost surely, 2^6632525138 is an apocalyptic number.

6632525138 is a deficient number, since it is larger than the sum of its proper divisors (3316435333).

6632525138 is an frugal number, since it uses more digits than its factorization.

6632525138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115176 (or 57589 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 6632525138 is about 81440.3164163794. The cubic root of 6632525138 is about 1878.8537166837.

The spelling of 6632525138 in words is "six billion, six hundred thirty-two million, five hundred twenty-five thousand, one hundred thirty-eight".