2125529694 has 32 divisors (see below), whose sum is σ = 4875770880. Its totient is φ = 685654200.

The previous prime is 2125529647. The next prime is 2125529717. The reversal of 2125529694 is 4969255212.

2125529694 is a `hidden beast` number, since 2 + 1 + 2 + 552 + 9 + 6 + 94 = 666.

2125529694 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 633192 + ... + 636539.

It is an arithmetic number, because the mean of its divisors is an integer number (152367840).

Almost surely, 2^2125529694 is an apocalyptic number.

2125529694 is an abundant number, since it is smaller than the sum of its proper divisors (2750241186).

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

2125529694 is a wasteful number, since it uses less digits than its factorization.

2125529694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269773 (or 1269767 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 2125529694 is about 46103.4672665733. The cubic root of 2125529694 is about 1285.7476093903.

The spelling of 2125529694 in words is "two billion, one hundred twenty-five million, five hundred twenty-nine thousand, six hundred ninety-four".