654799005269 has 2 divisors, whose sum is σ = 654799005270. Its totient is φ = 654799005268.

The previous prime is 654799005221. The next prime is 654799005277. The reversal of 654799005269 is 962500997456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420870075025 + 233928930244 = 648745^2 + 483662^2 .

It is a cyclic number.

It is not a de Polignac number, because 654799005269 - 2¹² = 654799001173 is a prime.

It is a super-2 number, since 2×654799005269² (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 (654799002269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327399502634 + 327399502635.

It is an arithmetic number, because the mean of its divisors is an integer number (327399502635).

Almost surely, 2^654799005269 is an apocalyptic number.

It is an amenable number.

654799005269 is a deficient number, since it is larger than the sum of its proper divisors (1).

654799005269 is an equidigital number, since it uses as much as digits as its factorization.

654799005269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 654799005269 in words is "six hundred fifty-four billion, seven hundred ninety-nine million, five thousand, two hundred sixty-nine".