654225590429 has 2 divisors, whose sum is σ = 654225590430. Its totient is φ = 654225590428.

The previous prime is 654225590399. The next prime is 654225590441. The reversal of 654225590429 is 924095522456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630115264804 + 24110325625 = 793798^2 + 155275^2 .

It is a cyclic number.

It is not a de Polignac number, because 654225590429 - 2²⁴ = 654208813213 is a prime.

It is a super-2 number, since 2×654225590429² (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 (654225590729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327112795214 + 327112795215.

It is an arithmetic number, because the mean of its divisors is an integer number (327112795215).

Almost surely, 2^654225590429 is an apocalyptic number.

It is an amenable number.

654225590429 is a deficient number, since it is larger than the sum of its proper divisors (1).

654225590429 is an equidigital number, since it uses as much as digits as its factorization.

654225590429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776000, while the sum is 53.

The spelling of 654225590429 in words is "six hundred fifty-four billion, two hundred twenty-five million, five hundred ninety thousand, four hundred twenty-nine".