48499579621 has 4 divisors (see below), whose sum is σ = 48848497600. Its totient is φ = 48150661644.

The previous prime is 48499579567. The next prime is 48499579649. The reversal of 48499579621 is 12697599484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48499579621 - 2¹⁷ = 48499448549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48499579651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174458781 + ... + 174459058.

It is an arithmetic number, because the mean of its divisors is an integer number (12212124400).

Almost surely, 2^48499579621 is an apocalyptic number.

It is an amenable number.

48499579621 is a deficient number, since it is larger than the sum of its proper divisors (348917979).

48499579621 is a wasteful number, since it uses less digits than its factorization.

48499579621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348917978.

The product of its digits is 39191040, while the sum is 64.

The spelling of 48499579621 in words is "forty-eight billion, four hundred ninety-nine million, five hundred seventy-nine thousand, six hundred twenty-one".