654356419979 has 2 divisors, whose sum is σ = 654356419980. Its totient is φ = 654356419978.

The previous prime is 654356419907. The next prime is 654356419993. The reversal of 654356419979 is 979914653456.

654356419979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654356419979 - 2⁸ = 654356419723 is a prime.

It is not a weakly prime, because it can be changed into another prime (654356419679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327178209989 + 327178209990.

It is an arithmetic number, because the mean of its divisors is an integer number (327178209990).

Almost surely, 2^654356419979 is an apocalyptic number.

654356419979 is a deficient number, since it is larger than the sum of its proper divisors (1).

654356419979 is an equidigital number, since it uses as much as digits as its factorization.

654356419979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 220449600, while the sum is 68.

The spelling of 654356419979 in words is "six hundred fifty-four billion, three hundred fifty-six million, four hundred nineteen thousand, nine hundred seventy-nine".