49488723951 has 32 divisors (see below), whose sum is σ = 68576048640. Its totient is φ = 31722364800.

The previous prime is 49488723899. The next prime is 49488723979. The reversal of 49488723951 is 15932788494.

It is not a de Polignac number, because 49488723951 - 2⁶ = 49488723887 is a prime.

It is a super-3 number, since 3×49488723951³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49488723551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6489921 + ... + 6497541.

It is an arithmetic number, because the mean of its divisors is an integer number (2143001520).

Almost surely, 2^49488723951 is an apocalyptic number.

49488723951 is a deficient number, since it is larger than the sum of its proper divisors (19087324689).

49488723951 is a wasteful number, since it uses less digits than its factorization.

49488723951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447.

The product of its digits is 17418240, while the sum is 60.

The spelling of 49488723951 in words is "forty-nine billion, four hundred eighty-eight million, seven hundred twenty-three thousand, nine hundred fifty-one".