48994072731 has 12 divisors (see below), whose sum is σ = 70777529680. Its totient is φ = 32658878160.

The previous prime is 48994072717. The next prime is 48994072741. The reversal of 48994072731 is 13727049984.

48994072731 is a `hidden beast` number, since 489 + 94 + 0 + 7 + 2 + 73 + 1 = 666.

It is not a de Polignac number, because 48994072731 - 2²⁷ = 48859855003 is a prime.

It is a super-2 number, since 2×48994072731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48994072741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237775 + ... + 393096.

Almost surely, 2^48994072731 is an apocalyptic number.

48994072731 is a deficient number, since it is larger than the sum of its proper divisors (21783456949).

48994072731 is a wasteful number, since it uses less digits than its factorization.

48994072731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639506 (or 639503 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 48994072731 in words is "forty-eight billion, nine hundred ninety-four million, seventy-two thousand, seven hundred thirty-one".