48109596921 has 15 divisors (see below), whose sum is σ = 71870371573. Its totient is φ = 32071748580.

The previous prime is 48109596889. The next prime is 48109596959. The reversal of 48109596921 is 12969590184.

The square root of 48109596921 is 219339.

It is a perfect power (a square), and thus also a powerful number.

48109596921 is a `hidden beast` number, since 48 + 1 + 0 + 9 + 596 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 48109596921 - 2⁵ = 48109596889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48109596971) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 1961866 + ... + 1986236.

Almost surely, 2^48109596921 is an apocalyptic number.

48109596921 is the 219339-th square number.

48109596921 is the 109670-th centered octagonal number.

It is an amenable number.

48109596921 is a deficient number, since it is larger than the sum of its proper divisors (23760774652).

48109596921 is an frugal number, since it uses more digits than its factorization.

48109596921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48754 (or 24374 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 48109596921 in words is "forty-eight billion, one hundred nine million, five hundred ninety-six thousand, nine hundred twenty-one".