5157758909 has 2 divisors, whose sum is σ = 5157758910. Its totient is φ = 5157758908.

The previous prime is 5157758891. The next prime is 5157758941. The reversal of 5157758909 is 9098577515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4060493284 + 1097265625 = 63722^2 + 33125^2 .

It is a cyclic number.

It is not a de Polignac number, because 5157758909 - 2²⁴ = 5140981693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5157758999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578879454 + 2578879455.

It is an arithmetic number, because the mean of its divisors is an integer number (2578879455).

Almost surely, 2^5157758909 is an apocalyptic number.

It is an amenable number.

5157758909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157758909 is an equidigital number, since it uses as much as digits as its factorization.

5157758909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3969000, while the sum is 56.

The square root of 5157758909 is about 71817.5390068471. The cubic root of 5157758909 is about 1727.7743114679.

The spelling of 5157758909 in words is "five billion, one hundred fifty-seven million, seven hundred fifty-eight thousand, nine hundred nine".