47507507951 has 2 divisors, whose sum is σ = 47507507952. Its totient is φ = 47507507950.

The previous prime is 47507507933. The next prime is 47507507989. The reversal of 47507507951 is 15970570574.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47507507951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47507507951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47507507921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23753753975 + 23753753976.

It is an arithmetic number, because the mean of its divisors is an integer number (23753753976).

Almost surely, 2^47507507951 is an apocalyptic number.

47507507951 is a deficient number, since it is larger than the sum of its proper divisors (1).

47507507951 is an equidigital number, since it uses as much as digits as its factorization.

47507507951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1543500, while the sum is 50.

The spelling of 47507507951 in words is "forty-seven billion, five hundred seven million, five hundred seven thousand, nine hundred fifty-one".