456856568149 has 2 divisors, whose sum is σ = 456856568150. Its totient is φ = 456856568148.

The previous prime is 456856568041. The next prime is 456856568153. The reversal of 456856568149 is 941865658654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402821241124 + 54035327025 = 634682^2 + 232455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456856568149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456856508149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228428284074 + 228428284075.

It is an arithmetic number, because the mean of its divisors is an integer number (228428284075).

Almost surely, 2^456856568149 is an apocalyptic number.

It is an amenable number.

456856568149 is a deficient number, since it is larger than the sum of its proper divisors (1).

456856568149 is an equidigital number, since it uses as much as digits as its factorization.

456856568149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832000, while the sum is 67.

The spelling of 456856568149 in words is "four hundred fifty-six billion, eight hundred fifty-six million, five hundred sixty-eight thousand, one hundred forty-nine".