3694311412509 has 4 divisors (see below), whose sum is σ = 4925748550016. Its totient is φ = 2462874275004.

The previous prime is 3694311412501. The next prime is 3694311412529. The reversal of 3694311412509 is 9052141134963.

It is a happy number.

3694311412509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3694311412509 - 2³ = 3694311412501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694311412501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615718568749 + ... + 615718568754.

It is an arithmetic number, because the mean of its divisors is an integer number (1231437137504).

Almost surely, 2^{3694311412509} is an apocalyptic number.

It is an amenable number.

3694311412509 is a deficient number, since it is larger than the sum of its proper divisors (1231437137507).

3694311412509 is a wasteful number, since it uses less digits than its factorization.

3694311412509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231437137506.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 3694311412509 in words is "three trillion, six hundred ninety-four billion, three hundred eleven million, four hundred twelve thousand, five hundred nine".