5157946747 has 2 divisors, whose sum is σ = 5157946748. Its totient is φ = 5157946746.

The previous prime is 5157946723. The next prime is 5157946799. The reversal of 5157946747 is 7476497515.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157946747 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157949747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578973373 + 2578973374.

It is an arithmetic number, because the mean of its divisors is an integer number (2578973374).

Almost surely, 2^5157946747 is an apocalyptic number.

5157946747 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157946747 is an equidigital number, since it uses as much as digits as its factorization.

5157946747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 55.

The square root of 5157946747 is about 71818.8467395572. The cubic root of 5157946747 is about 1727.7952855471.

The spelling of 5157946747 in words is "five billion, one hundred fifty-seven million, nine hundred forty-six thousand, seven hundred forty-seven".