652729093 has 4 divisors (see below), whose sum is σ = 691124940. Its totient is φ = 614333248.

The previous prime is 652729069. The next prime is 652729109. The reversal of 652729093 is 390927256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 324648324 + 328080769 = 18018^2 + 18113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652729093 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 (652729043) 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 3 ways as a sum of consecutive naturals, for example, 19197898 + ... + 19197931.

It is an arithmetic number, because the mean of its divisors is an integer number (172781235).

Almost surely, 2^652729093 is an apocalyptic number.

It is an amenable number.

652729093 is a deficient number, since it is larger than the sum of its proper divisors (38395847).

652729093 is a wasteful number, since it uses less digits than its factorization.

652729093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38395846.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 652729093 is about 25548.5634234099. The cubic root of 652729093 is about 867.4497444221.

The spelling of 652729093 in words is "six hundred fifty-two million, seven hundred twenty-nine thousand, ninety-three".