3453454721872 has 20 divisors (see below), whose sum is σ = 6735380240416. Its totient is φ = 1715292079200.

The previous prime is 3453454721869. The next prime is 3453454721917. The reversal of 3453454721872 is 2781274543543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714702618 + ... + 714707449.

Almost surely, 2^{3453454721872} is an apocalyptic number.

It is an amenable number.

3453454721872 is a deficient number, since it is larger than the sum of its proper divisors (3281925518544).

3453454721872 is a wasteful number, since it uses less digits than its factorization.

3453454721872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429410226 (or 1429410220 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 55.

The spelling of 3453454721872 in words is "three trillion, four hundred fifty-three billion, four hundred fifty-four million, seven hundred twenty-one thousand, eight hundred seventy-two".