510953916197 has 2 divisors, whose sum is σ = 510953916198. Its totient is φ = 510953916196.

The previous prime is 510953916149. The next prime is 510953916293. The reversal of 510953916197 is 791619359015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503235590881 + 7718325316 = 709391^2 + 87854^2 .

It is a cyclic number.

It is not a de Polignac number, because 510953916197 - 2⁶ = 510953916133 is a prime.

It is a super-2 number, since 2×510953916197² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (510953916397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255476958098 + 255476958099.

It is an arithmetic number, because the mean of its divisors is an integer number (255476958099).

Almost surely, 2^510953916197 is an apocalyptic number.

It is an amenable number.

510953916197 is a deficient number, since it is larger than the sum of its proper divisors (1).

510953916197 is an equidigital number, since it uses as much as digits as its factorization.

510953916197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2296350, while the sum is 56.

The spelling of 510953916197 in words is "five hundred ten billion, nine hundred fifty-three million, nine hundred sixteen thousand, one hundred ninety-seven".