10408870998905 has 4 divisors (see below), whose sum is σ = 12490645198692. Its totient is φ = 8327096799120.

The previous prime is 10408870998893. The next prime is 10408870998907. The reversal of 10408870998905 is 50989907880401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8001498430864 + 2407372568041 = 2828692^2 + 1551571^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10408870998905 is a prime.

It is a super-2 number, since 2×10408870998905² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10408870998907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040887099886 + ... + 1040887099895.

It is an arithmetic number, because the mean of its divisors is an integer number (3122661299673).

Almost surely, 2^{10408870998905} is an apocalyptic number.

It is an amenable number.

10408870998905 is a deficient number, since it is larger than the sum of its proper divisors (2081774199787).

10408870998905 is an equidigital number, since it uses as much as digits as its factorization.

10408870998905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081774199786.

The product of its (nonzero) digits is 52254720, while the sum is 68.

The spelling of 10408870998905 in words is "ten trillion, four hundred eight billion, eight hundred seventy million, nine hundred ninety-eight thousand, nine hundred five".