2309559905676 has 48 divisors (see below), whose sum is σ = 5465688157440. Its totient is φ = 758897240640.

The previous prime is 2309559905647. The next prime is 2309559905693. The reversal of 2309559905676 is 6765099559032.

It is a super-2 number, since 2×2309559905676² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5619835 + ... + 6016781.

It is an arithmetic number, because the mean of its divisors is an integer number (113868503280).

Almost surely, 2^{2309559905676} is an apocalyptic number.

It is an amenable number.

2309559905676 is an abundant number, since it is smaller than the sum of its proper divisors (3156128251764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2309559905676 is a wasteful number, since it uses less digits than its factorization.

2309559905676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403854 (or 403852 counting only the distinct ones).

The product of its (nonzero) digits is 137781000, while the sum is 66.

The spelling of 2309559905676 in words is "two trillion, three hundred nine billion, five hundred fifty-nine million, nine hundred five thousand, six hundred seventy-six".