48994089831 has 6 divisors (see below), whose sum is σ = 70769240880. Its totient is φ = 32662726548.

The previous prime is 48994089797. The next prime is 48994089839. The reversal of 48994089831 is 13898049984.

48994089831 is a `hidden beast` number, since 489 + 9 + 40 + 89 + 8 + 31 = 666.

It is not a de Polignac number, because 48994089831 - 2¹¹ = 48994087783 is a prime.

It is a super-2 number, since 2×48994089831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48994089839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2721893871 + ... + 2721893888.

It is an arithmetic number, because the mean of its divisors is an integer number (11794873480).

Almost surely, 2^48994089831 is an apocalyptic number.

48994089831 is a deficient number, since it is larger than the sum of its proper divisors (21775151049).

48994089831 is a wasteful number, since it uses less digits than its factorization.

48994089831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443787765 (or 5443787762 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 48994089831 in words is "forty-eight billion, nine hundred ninety-four million, eighty-nine thousand, eight hundred thirty-one".