5157991801 has 2 divisors, whose sum is σ = 5157991802. Its totient is φ = 5157991800.

The previous prime is 5157991759. The next prime is 5157991819. The reversal of 5157991801 is 1081997515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4205652201 + 952339600 = 64851^2 + 30860^2 .

It is a cyclic number.

It is not a de Polignac number, because 5157991801 - 2⁷ = 5157991673 is a prime.

It is not a weakly prime, because it can be changed into another prime (5157991841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578995900 + 2578995901.

It is an arithmetic number, because the mean of its divisors is an integer number (2578995901).

Almost surely, 2^5157991801 is an apocalyptic number.

It is an amenable number.

5157991801 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157991801 is an equidigital number, since it uses as much as digits as its factorization.

5157991801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 46.

The square root of 5157991801 is about 71819.1604030568. The cubic root of 5157991801 is about 1727.8003162222.

It can be divided in two parts, 51579 and 91801, that added together give a triangular number (143380 = T₅₃₅).

The spelling of 5157991801 in words is "five billion, one hundred fifty-seven million, nine hundred ninety-one thousand, eight hundred one".