523505461499 has 2 divisors, whose sum is σ = 523505461500. Its totient is φ = 523505461498.

The previous prime is 523505461459. The next prime is 523505461519. The reversal of 523505461499 is 994164505325.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 523505461499 - 2²⁴ = 523488684283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523505461499.

It is not a weakly prime, because it can be changed into another prime (523505461439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261752730749 + 261752730750.

It is an arithmetic number, because the mean of its divisors is an integer number (261752730750).

Almost surely, 2^523505461499 is an apocalyptic number.

523505461499 is a deficient number, since it is larger than the sum of its proper divisors (1).

523505461499 is an equidigital number, since it uses as much as digits as its factorization.

523505461499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 523505461499 in words is "five hundred twenty-three billion, five hundred five million, four hundred sixty-one thousand, four hundred ninety-nine".