2531430452269 has 2 divisors, whose sum is σ = 2531430452270. Its totient is φ = 2531430452268.

The previous prime is 2531430452267. The next prime is 2531430452321. The reversal of 2531430452269 is 9622540341352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2055796778025 + 475633674244 = 1433805^2 + 689662^2 .

It is a cyclic number.

It is not a de Polignac number, because 2531430452269 - 2¹ = 2531430452267 is a prime.

It is a super-2 number, since 2×2531430452269² (a number of 26 digits) contains 22 as substring.

Together with 2531430452267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2531430452261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265715226134 + 1265715226135.

It is an arithmetic number, because the mean of its divisors is an integer number (1265715226135).

Almost surely, 2^{2531430452269} is an apocalyptic number.

It is an amenable number.

2531430452269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531430452269 is an equidigital number, since it uses as much as digits as its factorization.

2531430452269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 2531430452269 in words is "two trillion, five hundred thirty-one billion, four hundred thirty million, four hundred fifty-two thousand, two hundred sixty-nine".