530631551969 has 2 divisors, whose sum is σ = 530631551970. Its totient is φ = 530631551968.

The previous prime is 530631551887. The next prime is 530631551971. The reversal of 530631551969 is 969155136035.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527918496400 + 2713055569 = 726580^2 + 52087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530631551969 is a prime.

It is a super-2 number, since 2×530631551969² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 530631551971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 530631551969.

It is not a weakly prime, because it can be changed into another prime (530631551269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265315775984 + 265315775985.

It is an arithmetic number, because the mean of its divisors is an integer number (265315775985).

Almost surely, 2^530631551969 is an apocalyptic number.

It is an amenable number.

530631551969 is a deficient number, since it is larger than the sum of its proper divisors (1).

530631551969 is an equidigital number, since it uses as much as digits as its factorization.

530631551969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3280500, while the sum is 53.

The spelling of 530631551969 in words is "five hundred thirty billion, six hundred thirty-one million, five hundred fifty-one thousand, nine hundred sixty-nine".