654771317231 has 2 divisors, whose sum is σ = 654771317232. Its totient is φ = 654771317230.

The previous prime is 654771317171. The next prime is 654771317237. The reversal of 654771317231 is 132713177456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654771317231 - 2¹⁰ = 654771316207 is a prime.

It is a super-2 number, since 2×654771317231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654771317237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327385658615 + 327385658616.

It is an arithmetic number, because the mean of its divisors is an integer number (327385658616).

Almost surely, 2^654771317231 is an apocalyptic number.

654771317231 is a deficient number, since it is larger than the sum of its proper divisors (1).

654771317231 is an equidigital number, since it uses as much as digits as its factorization.

654771317231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 47.

The spelling of 654771317231 in words is "six hundred fifty-four billion, seven hundred seventy-one million, three hundred seventeen thousand, two hundred thirty-one".