690563413 has 2 divisors, whose sum is σ = 690563414. Its totient is φ = 690563412.

The previous prime is 690563407. The next prime is 690563473. The reversal of 690563413 is 314365096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500730129 + 189833284 = 22377^2 + 13778^2 .

It is a cyclic number.

It is not a de Polignac number, because 690563413 - 2²⁵ = 657008981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690563473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345281706 + 345281707.

It is an arithmetic number, because the mean of its divisors is an integer number (345281707).

Almost surely, 2^690563413 is an apocalyptic number.

It is an amenable number.

690563413 is a deficient number, since it is larger than the sum of its proper divisors (1).

690563413 is an equidigital number, since it uses as much as digits as its factorization.

690563413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 690563413 is about 26278.5732679687. The cubic root of 690563413 is about 883.8960403569.

The spelling of 690563413 in words is "six hundred ninety million, five hundred sixty-three thousand, four hundred thirteen".