656063893 has 4 divisors (see below), whose sum is σ = 667183680. Its totient is φ = 644944108.

The previous prime is 656063887. The next prime is 656063899. The reversal of 656063893 is 398360656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (656063887) and next prime (656063899).

It is a cyclic number.

It is not a de Polignac number, because 656063893 - 2⁹ = 656063381 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 (656063899) 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, 5559805 + ... + 5559922.

It is an arithmetic number, because the mean of its divisors is an integer number (166795920).

Almost surely, 2^656063893 is an apocalyptic number.

It is an amenable number.

656063893 is a deficient number, since it is larger than the sum of its proper divisors (11119787).

656063893 is a wasteful number, since it uses less digits than its factorization.

656063893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119786.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 656063893 is about 25613.7442206328. The cubic root of 656063893 is about 868.9245057863.

The spelling of 656063893 in words is "six hundred fifty-six million, sixty-three thousand, eight hundred ninety-three".