464406602509 has 2 divisors, whose sum is σ = 464406602510. Its totient is φ = 464406602508.

The previous prime is 464406602503. The next prime is 464406602579. The reversal of 464406602509 is 905206604464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262019086884 + 202387515625 = 511878^2 + 449875^2 .

It is a cyclic number.

It is not a de Polignac number, because 464406602509 - 2⁵ = 464406602477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464406602503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232203301254 + 232203301255.

It is an arithmetic number, because the mean of its divisors is an integer number (232203301255).

Almost surely, 2^464406602509 is an apocalyptic number.

It is an amenable number.

464406602509 is a deficient number, since it is larger than the sum of its proper divisors (1).

464406602509 is an equidigital number, since it uses as much as digits as its factorization.

464406602509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 464406602509 in words is "four hundred sixty-four billion, four hundred six million, six hundred two thousand, five hundred nine".