7453217578412 has 24 divisors (see below), whose sum is σ = 14044447887120. Its totient is φ = 3447949107200.

The previous prime is 7453217578399. The next prime is 7453217578483. The reversal of 7453217578412 is 2148757123547.

It is a super-2 number, since 2×7453217578412² (a number of 27 digits) contains 22 as substring.

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, 928861589 + ... + 928869612.

It is an arithmetic number, because the mean of its divisors is an integer number (585185328630).

Almost surely, 2^{7453217578412} is an apocalyptic number.

It is an amenable number.

7453217578412 is a deficient number, since it is larger than the sum of its proper divisors (6591230308708).

7453217578412 is a wasteful number, since it uses less digits than its factorization.

7453217578412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857731281 (or 1857731279 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 56.

The spelling of 7453217578412 in words is "seven trillion, four hundred fifty-three billion, two hundred seventeen million, five hundred seventy-eight thousand, four hundred twelve".