2120649095 has 16 divisors (see below), whose sum is σ = 2590665120. Its totient is φ = 1665990144.

The previous prime is 2120649073. The next prime is 2120649101. The reversal of 2120649095 is 5909460212.

It is a cyclic number.

It is not a de Polignac number, because 2120649095 - 2⁶ = 2120649031 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 320339 + ... + 326891.

It is an arithmetic number, because the mean of its divisors is an integer number (161916570).

Almost surely, 2^2120649095 is an apocalyptic number.

2120649095 is a deficient number, since it is larger than the sum of its proper divisors (470016025).

2120649095 is a wasteful number, since it uses less digits than its factorization.

2120649095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2120649095 is about 46050.5059147020. The cubic root of 2120649095 is about 1284.7627525079.

The spelling of 2120649095 in words is "two billion, one hundred twenty million, six hundred forty-nine thousand, ninety-five".