2125673816 has 32 divisors (see below), whose sum is σ = 4557722880. Its totient is φ = 910461600.

The previous prime is 2125673789. The next prime is 2125673827. The reversal of 2125673816 is 6183765212.

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, 92171 + ... + 112901.

It is an arithmetic number, because the mean of its divisors is an integer number (142428840).

Almost surely, 2^2125673816 is an apocalyptic number.

It is an amenable number.

2125673816 is an abundant number, since it is smaller than the sum of its proper divisors (2432049064).

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

2125673816 is a wasteful number, since it uses less digits than its factorization.

2125673816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22575 (or 22571 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2125673816 is about 46105.0302678569. The cubic root of 2125673816 is about 1285.7766688649.

The spelling of 2125673816 in words is "two billion, one hundred twenty-five million, six hundred seventy-three thousand, eight hundred sixteen".