49881470971 has 6 divisors (see below), whose sum is σ = 50965362140. Its totient is φ = 48820160916.

The previous prime is 49881470957. The next prime is 49881471019. The reversal of 49881470971 is 17907418894.

It is not a de Polignac number, because 49881470971 - 2⁹ = 49881470459 is a prime.

It is a super-2 number, since 2×49881470971² (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 (49881470911) 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, 11288301 + ... + 11292718.

Almost surely, 2^49881470971 is an apocalyptic number.

49881470971 is a deficient number, since it is larger than the sum of its proper divisors (1083891169).

49881470971 is an equidigital number, since it uses as much as digits as its factorization.

49881470971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581113 (or 22581066 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 49881470971 in words is "forty-nine billion, eight hundred eighty-one million, four hundred seventy thousand, nine hundred seventy-one".