551022506429 has 2 divisors, whose sum is σ = 551022506430. Its totient is φ = 551022506428.

The previous prime is 551022506383. The next prime is 551022506459. The reversal of 551022506429 is 924605220155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426275798404 + 124746708025 = 652898^2 + 353195^2 .

It is a cyclic number.

It is not a de Polignac number, because 551022506429 - 2¹² = 551022502333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551022506459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275511253214 + 275511253215.

It is an arithmetic number, because the mean of its divisors is an integer number (275511253215).

Almost surely, 2^551022506429 is an apocalyptic number.

It is an amenable number.

551022506429 is a deficient number, since it is larger than the sum of its proper divisors (1).

551022506429 is an equidigital number, since it uses as much as digits as its factorization.

551022506429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 551022506429 in words is "five hundred fifty-one billion, twenty-two million, five hundred six thousand, four hundred twenty-nine".