3451401665 has 8 divisors (see below), whose sum is σ = 4238000448. Its totient is φ = 2696909040.

The previous prime is 3451401649. The next prime is 3451401671. The reversal of 3451401665 is 5661041543.

3451401665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3451401665 - 2⁴ = 3451401649 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, 8026301 + ... + 8026730.

It is an arithmetic number, because the mean of its divisors is an integer number (529750056).

Almost surely, 2^3451401665 is an apocalyptic number.

It is an amenable number.

3451401665 is a deficient number, since it is larger than the sum of its proper divisors (786598783).

3451401665 is a wasteful number, since it uses less digits than its factorization.

3451401665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16053079.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 3451401665 is about 58748.6311755431. The cubic root of 3451401665 is about 1511.2344137549.

The spelling of 3451401665 in words is "three billion, four hundred fifty-one million, four hundred one thousand, six hundred sixty-five".