2096921787 has 8 divisors (see below), whose sum is σ = 2841730320. Its totient is φ = 1375030560.

The previous prime is 2096921777. The next prime is 2096921803. The reversal of 2096921787 is 7871296902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2096921787 - 2²⁴ = 2080144571 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2096921737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729112 + ... + 5729477.

It is an arithmetic number, because the mean of its divisors is an integer number (355216290).

Almost surely, 2^2096921787 is an apocalyptic number.

2096921787 is a deficient number, since it is larger than the sum of its proper divisors (744808533).

2096921787 is a wasteful number, since it uses less digits than its factorization.

2096921787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11458653.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 2096921787 is about 45792.1585754592. The cubic root of 2096921787 is about 1279.9531613313.

The spelling of 2096921787 in words is "two billion, ninety-six million, nine hundred twenty-one thousand, seven hundred eighty-seven".