652130187893 has 2 divisors, whose sum is σ = 652130187894. Its totient is φ = 652130187892.

The previous prime is 652130187883. The next prime is 652130188009. The reversal of 652130187893 is 398781031256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559299066769 + 92831121124 = 747863^2 + 304682^2 .

It is a cyclic number.

It is not a de Polignac number, because 652130187893 - 2¹⁴ = 652130171509 is a prime.

It is a super-2 number, since 2×652130187893² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652130187883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326065093946 + 326065093947.

It is an arithmetic number, because the mean of its divisors is an integer number (326065093947).

Almost surely, 2^652130187893 is an apocalyptic number.

It is an amenable number.

652130187893 is a deficient number, since it is larger than the sum of its proper divisors (1).

652130187893 is an equidigital number, since it uses as much as digits as its factorization.

652130187893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 652130187893 in words is "six hundred fifty-two billion, one hundred thirty million, one hundred eighty-seven thousand, eight hundred ninety-three".