7443136864 has 24 divisors (see below), whose sum is σ = 14663623968. Its totient is φ = 3719041920.

The previous prime is 7443136853. The next prime is 7443136907. The reversal of 7443136864 is 4686313447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30627 + ... + 125794.

It is an arithmetic number, because the mean of its divisors is an integer number (610984332).

Almost surely, 2^7443136864 is an apocalyptic number.

It is an amenable number.

7443136864 is a deficient number, since it is larger than the sum of its proper divisors (7220487104).

7443136864 is a wasteful number, since it uses less digits than its factorization.

7443136864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157918 (or 157910 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 7443136864 is about 86273.6162682427. The cubic root of 7443136864 is about 1952.4743399567.

The spelling of 7443136864 in words is "seven billion, four hundred forty-three million, one hundred thirty-six thousand, eight hundred sixty-four".