609648454501 has 2 divisors, whose sum is σ = 609648454502. Its totient is φ = 609648454500.

The previous prime is 609648454477. The next prime is 609648454507. The reversal of 609648454501 is 105454846906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 447827301601 + 161821152900 = 669199^2 + 402270^2 .

It is a cyclic number.

It is not a de Polignac number, because 609648454501 - 2⁵ = 609648454469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609648454507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304824227250 + 304824227251.

It is an arithmetic number, because the mean of its divisors is an integer number (304824227251).

Almost surely, 2^609648454501 is an apocalyptic number.

It is an amenable number.

609648454501 is a deficient number, since it is larger than the sum of its proper divisors (1).

609648454501 is an equidigital number, since it uses as much as digits as its factorization.

609648454501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 609648454501 in words is "six hundred nine billion, six hundred forty-eight million, four hundred fifty-four thousand, five hundred one".