7138593647 has 4 divisors (see below), whose sum is σ = 7139022240. Its totient is φ = 7138165056.

The previous prime is 7138593619. The next prime is 7138593659. The reversal of 7138593647 is 7463958317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7138593647 - 2¹⁰ = 7138592623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138593617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188258 + ... + 222975.

It is an arithmetic number, because the mean of its divisors is an integer number (1784755560).

Almost surely, 2^7138593647 is an apocalyptic number.

7138593647 is a deficient number, since it is larger than the sum of its proper divisors (428593).

7138593647 is a wasteful number, since it uses less digits than its factorization.

7138593647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428592.

The product of its digits is 3810240, while the sum is 53.

The square root of 7138593647 is about 84490.1985262196. The cubic root of 7138593647 is about 1925.4735347780.

The spelling of 7138593647 in words is "seven billion, one hundred thirty-eight million, five hundred ninety-three thousand, six hundred forty-seven".