456140468269 has 2 divisors, whose sum is σ = 456140468270. Its totient is φ = 456140468268.

The previous prime is 456140468263. The next prime is 456140468291. The reversal of 456140468269 is 962864041654.

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., 376551595044 + 79588873225 = 613638^2 + 282115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456140468269 is a prime.

It is a super-2 number, since 2×456140468269² (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 (456140468263) 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 as a sum of consecutive naturals, namely, 228070234134 + 228070234135.

It is an arithmetic number, because the mean of its divisors is an integer number (228070234135).

Almost surely, 2^456140468269 is an apocalyptic number.

It is an amenable number.

456140468269 is a deficient number, since it is larger than the sum of its proper divisors (1).

456140468269 is an equidigital number, since it uses as much as digits as its factorization.

456140468269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 456140468269 in words is "four hundred fifty-six billion, one hundred forty million, four hundred sixty-eight thousand, two hundred sixty-nine".