2145902696 has 32 divisors (see below), whose sum is σ = 4623790080. Its totient is φ = 914587200.

The previous prime is 2145902683. The next prime is 2145902723. The reversal of 2145902696 is 6962095412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95720 + ... + 115991.

It is an arithmetic number, because the mean of its divisors is an integer number (144493440).

Almost surely, 2^2145902696 is an apocalyptic number.

It is an amenable number.

2145902696 is an abundant number, since it is smaller than the sum of its proper divisors (2477887384).

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

2145902696 is a wasteful number, since it uses less digits than its factorization.

2145902696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211905 (or 211901 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2145902696 is about 46323.8890422641. The cubic root of 2145902696 is about 1289.8424774104.

The spelling of 2145902696 in words is "two billion, one hundred forty-five million, nine hundred two thousand, six hundred ninety-six".