3451793938865 has 8 divisors (see below), whose sum is σ = 4142563185768. Its totient is φ = 2761161511680.

The previous prime is 3451793938787. The next prime is 3451793938891. The reversal of 3451793938865 is 5688393971543.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79109437696 + 3372684501169 = 281264^2 + 1836487^2 .

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

It is not a de Polignac number, because 3451793938865 - 2²⁰ = 3451792890289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34149416 + ... + 34250345.

It is an arithmetic number, because the mean of its divisors is an integer number (517820398221).

Almost surely, 2^{3451793938865} is an apocalyptic number.

It is an amenable number.

3451793938865 is a deficient number, since it is larger than the sum of its proper divisors (690769246903).

3451793938865 is a wasteful number, since it uses less digits than its factorization.

3451793938865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68409859.

The product of its digits is 587865600, while the sum is 71.

The spelling of 3451793938865 in words is "three trillion, four hundred fifty-one billion, seven hundred ninety-three million, nine hundred thirty-eight thousand, eight hundred sixty-five".