108913929557 has 2 divisors, whose sum is σ = 108913929558. Its totient is φ = 108913929556.

The previous prime is 108913929541. The next prime is 108913929601. The reversal of 108913929557 is 755929319801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108258108676 + 655820881 = 329026^2 + 25609^2 .

It is a cyclic number.

It is not a de Polignac number, because 108913929557 - 2⁴ = 108913929541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108913929496 and 108913929505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108913926557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54456964778 + 54456964779.

It is an arithmetic number, because the mean of its divisors is an integer number (54456964779).

Almost surely, 2^108913929557 is an apocalyptic number.

It is an amenable number.

108913929557 is a deficient number, since it is larger than the sum of its proper divisors (1).

108913929557 is an equidigital number, since it uses as much as digits as its factorization.

108913929557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 59.

The spelling of 108913929557 in words is "one hundred eight billion, nine hundred thirteen million, nine hundred twenty-nine thousand, five hundred fifty-seven".