3694479913 has 2 divisors, whose sum is σ = 3694479914. Its totient is φ = 3694479912.

The previous prime is 3694479881. The next prime is 3694479961. The reversal of 3694479913 is 3199744963.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1903751424 + 1790728489 = 43632^2 + 42317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3694479913 - 2⁵ = 3694479881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3694479973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847239956 + 1847239957.

It is an arithmetic number, because the mean of its divisors is an integer number (1847239957).

Almost surely, 2^3694479913 is an apocalyptic number.

It is an amenable number.

3694479913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694479913 is an equidigital number, since it uses as much as digits as its factorization.

3694479913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 55.

The square root of 3694479913 is about 60782.2335308600. The cubic root of 3694479913 is about 1545.9108188492.

The spelling of 3694479913 in words is "three billion, six hundred ninety-four million, four hundred seventy-nine thousand, nine hundred thirteen".