7913213432 has 32 divisors (see below), whose sum is σ = 15098006880. Its totient is φ = 3887493120.

The previous prime is 7913213369. The next prime is 7913213447. The reversal of 7913213432 is 2343123197.

It is a junction number, because it is equal to n+sod(n) for n = 7913213392 and 7913213401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127832 + ... + 179352.

It is an arithmetic number, because the mean of its divisors is an integer number (471812715).

Almost surely, 2^7913213432 is an apocalyptic number.

It is an amenable number.

7913213432 is a deficient number, since it is larger than the sum of its proper divisors (7184793448).

7913213432 is a wasteful number, since it uses less digits than its factorization.

7913213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51863 (or 51859 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 7913213432 is about 88956.2444800813. The cubic root of 7913213432 is about 1992.7414747744.

The spelling of 7913213432 in words is "seven billion, nine hundred thirteen million, two hundred thirteen thousand, four hundred thirty-two".