7958622836849 has 8 divisors (see below), whose sum is σ = 8352653677632. Its totient is φ = 7568592309520.

The previous prime is 7958622836839. The next prime is 7958622836887. The reversal of 7958622836849 is 9486382268597.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7958622836849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7958622836849.

It is not an unprimeable number, because it can be changed into a prime (7958622836839) 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, 1000074287 + ... + 1000082244.

It is an arithmetic number, because the mean of its divisors is an integer number (1044081709704).

Almost surely, 2^{7958622836849} is an apocalyptic number.

It is an amenable number.

7958622836849 is a deficient number, since it is larger than the sum of its proper divisors (394030840783).

7958622836849 is a wasteful number, since it uses less digits than its factorization.

7958622836849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000156727.

The product of its digits is 2508226560, while the sum is 77.

The spelling of 7958622836849 in words is "seven trillion, nine hundred fifty-eight billion, six hundred twenty-two million, eight hundred thirty-six thousand, eight hundred forty-nine".