7043642379 has 6 divisors (see below), whose sum is σ = 10174150116. Its totient is φ = 4695761580.

The previous prime is 7043642369. The next prime is 7043642407. The reversal of 7043642379 is 9732463407.

It is not a de Polignac number, because 7043642379 - 2²⁵ = 7010087947 is a prime.

It is a super-2 number, since 2×7043642379² = 99225795926489559282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7043642369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391313457 + ... + 391313474.

It is an arithmetic number, because the mean of its divisors is an integer number (1695691686).

Almost surely, 2^7043642379 is an apocalyptic number.

7043642379 is a deficient number, since it is larger than the sum of its proper divisors (3130507737).

7043642379 is a wasteful number, since it uses less digits than its factorization.

7043642379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782626937 (or 782626934 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 7043642379 is about 83926.4104975305. The cubic root of 7043642379 is about 1916.8984193045.

The spelling of 7043642379 in words is "seven billion, forty-three million, six hundred forty-two thousand, three hundred seventy-nine".