5156729023 has 4 divisors (see below), whose sum is σ = 5207785848. Its totient is φ = 5105672200.

The previous prime is 5156729021. The next prime is 5156729057. The reversal of 5156729023 is 3209276515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5156729023 - 2¹ = 5156729021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156729021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25528261 + ... + 25528462.

It is an arithmetic number, because the mean of its divisors is an integer number (1301946462).

Almost surely, 2^5156729023 is an apocalyptic number.

5156729023 is a deficient number, since it is larger than the sum of its proper divisors (51056825).

5156729023 is a wasteful number, since it uses less digits than its factorization.

5156729023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51056824.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 5156729023 is about 71810.3684923006. The cubic root of 5156729023 is about 1727.6593048630.

The spelling of 5156729023 in words is "five billion, one hundred fifty-six million, seven hundred twenty-nine thousand, twenty-three".