561419699 has 2 divisors, whose sum is σ = 561419700. Its totient is φ = 561419698.

The previous prime is 561419681. The next prime is 561419707. The reversal of 561419699 is 996914165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561419699 - 2¹⁶ = 561354163 is a prime.

It is not a weakly prime, because it can be changed into another prime (561419099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280709849 + 280709850.

It is an arithmetic number, because the mean of its divisors is an integer number (280709850).

Almost surely, 2^561419699 is an apocalyptic number.

561419699 is a deficient number, since it is larger than the sum of its proper divisors (1).

561419699 is an equidigital number, since it uses as much as digits as its factorization.

561419699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 561419699 is about 23694.2967610351. The cubic root of 561419699 is about 824.9530179551.

The spelling of 561419699 in words is "five hundred sixty-one million, four hundred nineteen thousand, six hundred ninety-nine".