105590408698 has 4 divisors (see below), whose sum is σ = 158385613050. Its totient is φ = 52795204348.

The previous prime is 105590408513. The next prime is 105590408701. The reversal of 105590408698 is 896804095501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104566216689 + 1024192009 = 323367^2 + 32003^2 .

It is a super-2 number, since 2×105590408698² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26397602173 + ... + 26397602176.

Almost surely, 2^105590408698 is an apocalyptic number.

105590408698 is a deficient number, since it is larger than the sum of its proper divisors (52795204352).

105590408698 is an equidigital number, since it uses as much as digits as its factorization.

105590408698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52795204351.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 105590408698 in words is "one hundred five billion, five hundred ninety million, four hundred eight thousand, six hundred ninety-eight".