373512779902081 has 8 divisors (see below), whose sum is σ = 374807614089384. Its totient is φ = 372218082086400.

The previous prime is 373512779901923. The next prime is 373512779902177. The reversal of 373512779902081 is 180209977215373.

It can be written as a sum of positive squares in 4 ways, for example, as 10645178663025 + 362867601239056 = 3262695^2 + 19049084^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 373512779902081 - 2³¹ = 373510632418433 is a prime.

It is a super-2 number, since 2×373512779902081² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373512779902781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28604016 + ... + 39562801.

It is an arithmetic number, because the mean of its divisors is an integer number (46850951761173).

Almost surely, 2^{373512779902081} is an apocalyptic number.

It is an amenable number.

373512779902081 is a deficient number, since it is larger than the sum of its proper divisors (1294834187303).

373512779902081 is a wasteful number, since it uses less digits than its factorization.

373512779902081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68185811.

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 373512779902081 in words is "three hundred seventy-three trillion, five hundred twelve billion, seven hundred seventy-nine million, nine hundred two thousand, eighty-one".