456495310037621 has 2 divisors, whose sum is σ = 456495310037622. Its totient is φ = 456495310037620.

The previous prime is 456495310037467. The next prime is 456495310037623. The reversal of 456495310037621 is 126730013594654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256898034185521 + 199597275852100 = 16028039^2 + 14127890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456495310037621 is a prime.

Together with 456495310037623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456495310037623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228247655018810 + 228247655018811.

It is an arithmetic number, because the mean of its divisors is an integer number (228247655018811).

Almost surely, 2^{456495310037621} is an apocalyptic number.

It is an amenable number.

456495310037621 is a deficient number, since it is larger than the sum of its proper divisors (1).

456495310037621 is an equidigital number, since it uses as much as digits as its factorization.

456495310037621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 456495310037621 in words is "four hundred fifty-six trillion, four hundred ninety-five billion, three hundred ten million, thirty-seven thousand, six hundred twenty-one".