2109396651 has 8 divisors (see below), whose sum is σ = 2837418960. Its totient is φ = 1393819392.

The previous prime is 2109396599. The next prime is 2109396671. The reversal of 2109396651 is 1566939012.

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

It is not a de Polignac number, because 2109396651 - 2¹⁷ = 2109265579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2109396671) 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, 3110866 + ... + 3111543.

It is an arithmetic number, because the mean of its divisors is an integer number (354677370).

Almost surely, 2^2109396651 is an apocalyptic number.

2109396651 is a deficient number, since it is larger than the sum of its proper divisors (728022309).

2109396651 is a wasteful number, since it uses less digits than its factorization.

2109396651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222525.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 2109396651 is about 45928.1683828127. The cubic root of 2109396651 is about 1282.4863478668.

The spelling of 2109396651 in words is "two billion, one hundred nine million, three hundred ninety-six thousand, six hundred fifty-one".