7974649319 has 8 divisors (see below), whose sum is σ = 9814953120. Its totient is φ = 6309612576.

The previous prime is 7974649313. The next prime is 7974649321. The reversal of 7974649319 is 9139464797.

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 7974649319 - 2²⁸ = 7706213863 is a prime.

It is a super-2 number, since 2×7974649319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974649313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43816664 + ... + 43816845.

It is an arithmetic number, because the mean of its divisors is an integer number (1226869140).

Almost surely, 2^7974649319 is an apocalyptic number.

7974649319 is a deficient number, since it is larger than the sum of its proper divisors (1840303801).

7974649319 is a wasteful number, since it uses less digits than its factorization.

7974649319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87633529.

The product of its digits is 10287648, while the sum is 59.

The square root of 7974649319 is about 89300.8920392176. The cubic root of 7974649319 is about 1997.8852078653.

The spelling of 7974649319 in words is "seven billion, nine hundred seventy-four million, six hundred forty-nine thousand, three hundred nineteen".