47507931769 has 2 divisors, whose sum is σ = 47507931770. Its totient is φ = 47507931768.

The previous prime is 47507931739. The next prime is 47507931811. The reversal of 47507931769 is 96713970574.

47507931769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37886676025 + 9621255744 = 194645^2 + 98088^2 .

It is a cyclic number.

It is not a de Polignac number, because 47507931769 - 2¹³ = 47507923577 is a prime.

It is a super-2 number, since 2×47507931769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47507931739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23753965884 + 23753965885.

It is an arithmetic number, because the mean of its divisors is an integer number (23753965885).

Almost surely, 2^47507931769 is an apocalyptic number.

It is an amenable number.

47507931769 is a deficient number, since it is larger than the sum of its proper divisors (1).

47507931769 is an equidigital number, since it uses as much as digits as its factorization.

47507931769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 47507931769 in words is "forty-seven billion, five hundred seven million, nine hundred thirty-one thousand, seven hundred sixty-nine".