57919096909 has 2 divisors, whose sum is σ = 57919096910. Its totient is φ = 57919096908.

The previous prime is 57919096871. The next prime is 57919096919. The reversal of 57919096909 is 90969091975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45293203684 + 12625893225 = 212822^2 + 112365^2 .

It is a cyclic number.

It is not a de Polignac number, because 57919096909 - 2²⁷ = 57784879181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57919096919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28959548454 + 28959548455.

It is an arithmetic number, because the mean of its divisors is an integer number (28959548455).

Almost surely, 2^57919096909 is an apocalyptic number.

It is an amenable number.

57919096909 is a deficient number, since it is larger than the sum of its proper divisors (1).

57919096909 is an equidigital number, since it uses as much as digits as its factorization.

57919096909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12400290, while the sum is 64.

The spelling of 57919096909 in words is "fifty-seven billion, nine hundred nineteen million, ninety-six thousand, nine hundred nine".