7939122449 has 16 divisors (see below), whose sum is σ = 8222592000. Its totient is φ = 7659468864.

The previous prime is 7939122427. The next prime is 7939122493. The reversal of 7939122449 is 9442219397.

It is not a de Polignac number, because 7939122449 - 2²⁸ = 7670686993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7939122397 and 7939122406.

It is not an unprimeable number, because it can be changed into a prime (7939122049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5065664 + ... + 5067230.

It is an arithmetic number, because the mean of its divisors is an integer number (513912000).

Almost surely, 2^7939122449 is an apocalyptic number.

It is an amenable number.

7939122449 is a deficient number, since it is larger than the sum of its proper divisors (283469551).

7939122449 is a wasteful number, since it uses less digits than its factorization.

7939122449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its digits is 979776, while the sum is 50.

The square root of 7939122449 is about 89101.7533441402. The cubic root of 7939122449 is about 1994.9139477501.

The spelling of 7939122449 in words is "seven billion, nine hundred thirty-nine million, one hundred twenty-two thousand, four hundred forty-nine".