654961416119 has 2 divisors, whose sum is σ = 654961416120. Its totient is φ = 654961416118.

The previous prime is 654961416029. The next prime is 654961416121. The reversal of 654961416119 is 911614169456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654961416119 - 2⁸ = 654961415863 is a prime.

It is a super-2 number, since 2×654961416119² (a number of 24 digits) contains 22 as substring.

Together with 654961416121, 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 (654961416719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327480708059 + 327480708060.

It is an arithmetic number, because the mean of its divisors is an integer number (327480708060).

Almost surely, 2^654961416119 is an apocalyptic number.

654961416119 is a deficient number, since it is larger than the sum of its proper divisors (1).

654961416119 is an equidigital number, since it uses as much as digits as its factorization.

654961416119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The spelling of 654961416119 in words is "six hundred fifty-four billion, nine hundred sixty-one million, four hundred sixteen thousand, one hundred nineteen".