522155454049 has 2 divisors, whose sum is σ = 522155454050. Its totient is φ = 522155454048.

The previous prime is 522155453993. The next prime is 522155454071. The reversal of 522155454049 is 940454551225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306179622225 + 215975831824 = 553335^2 + 464732^2 .

It is a cyclic number.

It is not a de Polignac number, because 522155454049 - 2²⁵ = 522121899617 is a prime.

It is not a weakly prime, because it can be changed into another prime (522155454089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261077727024 + 261077727025.

It is an arithmetic number, because the mean of its divisors is an integer number (261077727025).

Almost surely, 2^522155454049 is an apocalyptic number.

It is an amenable number.

522155454049 is a deficient number, since it is larger than the sum of its proper divisors (1).

522155454049 is an equidigital number, since it uses as much as digits as its factorization.

522155454049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 522155454049 in words is "five hundred twenty-two billion, one hundred fifty-five million, four hundred fifty-four thousand, forty-nine".