47919165739 has 2 divisors, whose sum is σ = 47919165740. Its totient is φ = 47919165738.

The previous prime is 47919165737. The next prime is 47919165851. The reversal of 47919165739 is 93756191974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47919165739 - 2¹ = 47919165737 is a prime.

It is a super-2 number, since 2×47919165739² (a number of 22 digits) contains 22 as substring.

Together with 47919165737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47919165733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23959582869 + 23959582870.

It is an arithmetic number, because the mean of its divisors is an integer number (23959582870).

Almost surely, 2^47919165739 is an apocalyptic number.

47919165739 is a deficient number, since it is larger than the sum of its proper divisors (1).

47919165739 is an equidigital number, since it uses as much as digits as its factorization.

47919165739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12859560, while the sum is 61.

The spelling of 47919165739 in words is "forty-seven billion, nine hundred nineteen million, one hundred sixty-five thousand, seven hundred thirty-nine".