7396842639 has 16 divisors (see below), whose sum is σ = 9888307200. Its totient is φ = 4918322976.

The previous prime is 7396842587. The next prime is 7396842641. The reversal of 7396842639 is 9362486937.

It is not a de Polignac number, because 7396842639 - 2¹⁹ = 7396318351 is a prime.

It is a super-2 number, since 2×7396842639² (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 (7396849639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2377617 + ... + 2380725.

It is an arithmetic number, because the mean of its divisors is an integer number (618019200).

Almost surely, 2^7396842639 is an apocalyptic number.

7396842639 is a deficient number, since it is larger than the sum of its proper divisors (2491464561).

7396842639 is a wasteful number, since it uses less digits than its factorization.

7396842639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934.

The product of its digits is 11757312, while the sum is 57.

The square root of 7396842639 is about 86004.8989244217. The cubic root of 7396842639 is about 1948.4179707634.

The spelling of 7396842639 in words is "seven billion, three hundred ninety-six million, eight hundred forty-two thousand, six hundred thirty-nine".