7913756849 has 8 divisors (see below), whose sum is σ = 8172998400. Its totient is φ = 7654762800.

The previous prime is 7913756839. The next prime is 7913756857. The reversal of 7913756849 is 9486573197.

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

It is a cyclic number.

It is not a de Polignac number, because 7913756849 - 2⁴ = 7913756833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7913756839) 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, 4259 + ... + 125879.

It is an arithmetic number, because the mean of its divisors is an integer number (1021624800).

Almost surely, 2^7913756849 is an apocalyptic number.

It is an amenable number.

7913756849 is a deficient number, since it is larger than the sum of its proper divisors (259241551).

7913756849 is a wasteful number, since it uses less digits than its factorization.

7913756849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123751.

The product of its digits is 11430720, while the sum is 59.

The square root of 7913756849 is about 88959.2988337925. The cubic root of 7913756849 is about 1992.7870889789.

The spelling of 7913756849 in words is "seven billion, nine hundred thirteen million, seven hundred fifty-six thousand, eight hundred forty-nine".