2120552653 has 8 divisors (see below), whose sum is σ = 2140416000. Its totient is φ = 2100764688.

The previous prime is 2120552593. The next prime is 2120552659. The reversal of 2120552653 is 3562550212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120552653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120552659) 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, 38488 + ... + 75646.

It is an arithmetic number, because the mean of its divisors is an integer number (267552000).

Almost surely, 2^2120552653 is an apocalyptic number.

It is an amenable number.

2120552653 is a deficient number, since it is larger than the sum of its proper divisors (19863347).

2120552653 is a wasteful number, since it uses less digits than its factorization.

2120552653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37691.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2120552653 is about 46049.4587698922. The cubic root of 2120552653 is about 1284.7432762434.

The spelling of 2120552653 in words is "two billion, one hundred twenty million, five hundred fifty-two thousand, six hundred fifty-three".