654452998687 has 2 divisors, whose sum is σ = 654452998688. Its totient is φ = 654452998686.

The previous prime is 654452998613. The next prime is 654452998691. The reversal of 654452998687 is 786899254456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654452998687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654452998607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327226499343 + 327226499344.

It is an arithmetic number, because the mean of its divisors is an integer number (327226499344).

Almost surely, 2^654452998687 is an apocalyptic number.

654452998687 is a deficient number, since it is larger than the sum of its proper divisors (1).

654452998687 is an equidigital number, since it uses as much as digits as its factorization.

654452998687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1045094400, while the sum is 73.

The spelling of 654452998687 in words is "six hundred fifty-four billion, four hundred fifty-two million, nine hundred ninety-eight thousand, six hundred eighty-seven".