48399774931 has 4 divisors (see below), whose sum is σ = 48443896152. Its totient is φ = 48355653712.

The previous prime is 48399774859. The next prime is 48399774937. The reversal of 48399774931 is 13947799384.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48399774931 - 2⁹ = 48399774419 is a prime.

It is a super-3 number, since 3×48399774931³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48399774937) 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, 22058965 + ... + 22061158.

It is an arithmetic number, because the mean of its divisors is an integer number (12110974038).

Almost surely, 2^48399774931 is an apocalyptic number.

48399774931 is a deficient number, since it is larger than the sum of its proper divisors (44121221).

48399774931 is a wasteful number, since it uses less digits than its factorization.

48399774931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44121220.

The product of its digits is 41150592, while the sum is 64.

The spelling of 48399774931 in words is "forty-eight billion, three hundred ninety-nine million, seven hundred seventy-four thousand, nine hundred thirty-one".