5157946723 has 2 divisors, whose sum is σ = 5157946724. Its totient is φ = 5157946722.

The previous prime is 5157946721. The next prime is 5157946747. The reversal of 5157946723 is 3276497515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5157946723 - 2¹ = 5157946721 is a prime.

Together with 5157946721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5157946721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578973361 + 2578973362.

It is an arithmetic number, because the mean of its divisors is an integer number (2578973362).

Almost surely, 2^5157946723 is an apocalyptic number.

5157946723 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157946723 is an equidigital number, since it uses as much as digits as its factorization.

5157946723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The square root of 5157946723 is about 71818.8465724701. The cubic root of 5157946723 is about 1727.7952828673.

The spelling of 5157946723 in words is "five billion, one hundred fifty-seven million, nine hundred forty-six thousand, seven hundred twenty-three".