34479213509 has 8 divisors (see below), whose sum is σ = 37685662560. Its totient is φ = 31351936176.

The previous prime is 34479213463. The next prime is 34479213521. The reversal of 34479213509 is 90531297443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34479213509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34479213529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19792019 + ... + 19793760.

It is an arithmetic number, because the mean of its divisors is an integer number (4710707820).

Almost surely, 2^34479213509 is an apocalyptic number.

It is an amenable number.

34479213509 is a deficient number, since it is larger than the sum of its proper divisors (3206449051).

34479213509 is a wasteful number, since it uses less digits than its factorization.

34479213509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39585859.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 34479213509 in words is "thirty-four billion, four hundred seventy-nine million, two hundred thirteen thousand, five hundred nine".