47969269831 has 48 divisors (see below), whose sum is σ = 58594129920. Its totient is φ = 38425593600.

The previous prime is 47969269823. The next prime is 47969269841. The reversal of 47969269831 is 13896296974.

47969269831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47969269831 - 2³ = 47969269823 is a prime.

It is a super-2 number, since 2×47969269831² (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 (47969269811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39030525 + ... + 39031753.

It is an arithmetic number, because the mean of its divisors is an integer number (1220711040).

Almost surely, 2^47969269831 is an apocalyptic number.

47969269831 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47969269831 is a deficient number, since it is larger than the sum of its proper divisors (10624860089).

47969269831 is a wasteful number, since it uses less digits than its factorization.

47969269831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1415 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 64.

The spelling of 47969269831 in words is "forty-seven billion, nine hundred sixty-nine million, two hundred sixty-nine thousand, eight hundred thirty-one".