34326637509 has 4 divisors (see below), whose sum is σ = 45768850016. Its totient is φ = 22884425004.

The previous prime is 34326637487. The next prime is 34326637529. The reversal of 34326637509 is 90573662343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90573662343 = 3 ⋅30191220781.

It is not a de Polignac number, because 34326637509 - 2²⁰ = 34325588933 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 (34326637529) 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, 5721106249 + ... + 5721106254.

It is an arithmetic number, because the mean of its divisors is an integer number (11442212504).

Almost surely, 2^34326637509 is an apocalyptic number.

It is an amenable number.

34326637509 is a deficient number, since it is larger than the sum of its proper divisors (11442212507).

34326637509 is a wasteful number, since it uses less digits than its factorization.

34326637509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442212506.

The product of its (nonzero) digits is 2449440, while the sum is 48.

The spelling of 34326637509 in words is "thirty-four billion, three hundred twenty-six million, six hundred thirty-seven thousand, five hundred nine".