652699389 has 16 divisors (see below), whose sum is σ = 908444160. Its totient is φ = 416359680.

The previous prime is 652699349. The next prime is 652699391. The reversal of 652699389 is 983996256.

It is not a de Polignac number, because 652699389 - 2⁷ = 652699261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652699349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31152 + ... + 47705.

It is an arithmetic number, because the mean of its divisors is an integer number (56777760).

Almost surely, 2^652699389 is an apocalyptic number.

It is an amenable number.

652699389 is a deficient number, since it is larger than the sum of its proper divisors (255744771).

652699389 is a wasteful number, since it uses less digits than its factorization.

652699389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78980.

The product of its digits is 6298560, while the sum is 57.

The square root of 652699389 is about 25547.9820925254. The cubic root of 652699389 is about 867.4365857634.

The spelling of 652699389 in words is "six hundred fifty-two million, six hundred ninety-nine thousand, three hundred eighty-nine".