7913922243 has 8 divisors (see below), whose sum is σ = 10561554768. Its totient is φ = 5271118944.

The previous prime is 7913922239. The next prime is 7913922251. The reversal of 7913922243 is 3422293197.

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

It is not a de Polignac number, because 7913922243 - 2² = 7913922239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7913922195 and 7913922204.

It is not an unprimeable number, because it can be changed into a prime (7913922293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203480 + ... + 1210037.

It is an arithmetic number, because the mean of its divisors is an integer number (1320194346).

Almost surely, 2^7913922243 is an apocalyptic number.

7913922243 is a deficient number, since it is larger than the sum of its proper divisors (2647632525).

7913922243 is a wasteful number, since it uses less digits than its factorization.

7913922243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414613.

The product of its digits is 163296, while the sum is 42.

The square root of 7913922243 is about 88960.2284338344. The cubic root of 7913922243 is about 1992.8009716703.

The spelling of 7913922243 in words is "seven billion, nine hundred thirteen million, nine hundred twenty-two thousand, two hundred forty-three".