2109245936 has 40 divisors (see below), whose sum is σ = 4916292480. Its totient is φ = 856384704.

The previous prime is 2109245911. The next prime is 2109245969. The reversal of 2109245936 is 6395429012.

It is a junction number, because it is equal to n+sod(n) for n = 2109245893 and 2109245902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493466 + ... + 497721.

It is an arithmetic number, because the mean of its divisors is an integer number (122907312).

Almost surely, 2^2109245936 is an apocalyptic number.

It is an amenable number.

2109245936 is an abundant number, since it is smaller than the sum of its proper divisors (2807046544).

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

2109245936 is a wasteful number, since it uses less digits than its factorization.

2109245936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991221 (or 991215 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 2109245936 is about 45926.5275848284. The cubic root of 2109245936 is about 1282.4558028713.

The spelling of 2109245936 in words is "two billion, one hundred nine million, two hundred forty-five thousand, nine hundred thirty-six".