692040049 has 2 divisors, whose sum is σ = 692040050. Its totient is φ = 692040048.

The previous prime is 692040043. The next prime is 692040071. The reversal of 692040049 is 940040296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592679025 + 99361024 = 24345^2 + 9968^2 .

It is a cyclic number.

It is not a de Polignac number, because 692040049 - 2⁵ = 692040017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 692039996 and 692040023.

It is not a weakly prime, because it can be changed into another prime (692040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346020024 + 346020025.

It is an arithmetic number, because the mean of its divisors is an integer number (346020025).

Almost surely, 2^692040049 is an apocalyptic number.

It is an amenable number.

692040049 is a deficient number, since it is larger than the sum of its proper divisors (1).

692040049 is an equidigital number, since it uses as much as digits as its factorization.

692040049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 692040049 is about 26306.6540821899. The cubic root of 692040049 is about 884.5256052850.

The spelling of 692040049 in words is "six hundred ninety-two million, forty thousand, forty-nine".