34243509815 has 8 divisors (see below), whose sum is σ = 41095535328. Its totient is φ = 27392592160.

The previous prime is 34243509743. The next prime is 34243509821. The reversal of 34243509815 is 51890534243.

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

It is a de Polignac number, because none of the positive numbers 2^k-34243509815 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207371 + ... + 333900.

It is an arithmetic number, because the mean of its divisors is an integer number (5136941916).

Almost surely, 2^34243509815 is an apocalyptic number.

34243509815 is a deficient number, since it is larger than the sum of its proper divisors (6852025513).

34243509815 is a wasteful number, since it uses less digits than its factorization.

34243509815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553929.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 34243509815 in words is "thirty-four billion, two hundred forty-three million, five hundred nine thousand, eight hundred fifteen".