2165430828694 has 16 divisors (see below), whose sum is σ = 3712464147456. Its totient is φ = 927967530600.

The previous prime is 2165430828689. The next prime is 2165430828751. The reversal of 2165430828694 is 4968280345612.

It is a happy 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, 6006352 + ... + 6356659.

It is an arithmetic number, because the mean of its divisors is an integer number (232029009216).

Almost surely, 2^{2165430828694} is an apocalyptic number.

2165430828694 is a deficient number, since it is larger than the sum of its proper divisors (1547033318762).

2165430828694 is a wasteful number, since it uses less digits than its factorization.

2165430828694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12375531.

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 2165430828694 in words is "two trillion, one hundred sixty-five billion, four hundred thirty million, eight hundred twenty-eight thousand, six hundred ninety-four".