10408815973181 has 4 divisors (see below), whose sum is σ = 10410667093152. Its totient is φ = 10406964853212.

The previous prime is 10408815973159. The next prime is 10408815973189. The reversal of 10408815973181 is 18137951880401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10408815973181 - 2¹⁸ = 10408815711037 is a prime.

It is a super-2 number, since 2×10408815973181² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10408815973189) 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, 925551551 + ... + 925562796.

It is an arithmetic number, because the mean of its divisors is an integer number (2602666773288).

Almost surely, 2^{10408815973181} is an apocalyptic number.

It is an amenable number.

10408815973181 is a deficient number, since it is larger than the sum of its proper divisors (1851119971).

10408815973181 is an equidigital number, since it uses as much as digits as its factorization.

10408815973181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851119970.

The product of its (nonzero) digits is 1935360, while the sum is 56.

The spelling of 10408815973181 in words is "ten trillion, four hundred eight billion, eight hundred fifteen million, nine hundred seventy-three thousand, one hundred eighty-one".