109569773458 has 12 divisors (see below), whose sum is σ = 173460182670. Its totient is φ = 51901471296.

The previous prime is 109569773449. The next prime is 109569773491. The reversal of 109569773458 is 854377965901.

It can be written as a sum of positive squares in only one way, i.e., 106885186489 + 2684586969 = 326933^2 + 51813^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 109569773458.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75878623 + ... + 75880066.

Almost surely, 2^109569773458 is an apocalyptic number.

109569773458 is a deficient number, since it is larger than the sum of its proper divisors (63890409212).

109569773458 is a wasteful number, since it uses less digits than its factorization.

109569773458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151758729 (or 151758710 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 64.

The spelling of 109569773458 in words is "one hundred nine billion, five hundred sixty-nine million, seven hundred seventy-three thousand, four hundred fifty-eight".