2139610653 has 16 divisors (see below), whose sum is σ = 3336625600. Its totient is φ = 1351332720.

The previous prime is 2139610651. The next prime is 2139610679. The reversal of 2139610653 is 3560169312.

2139610653 is a `hidden beast` number, since 2 + 1 + 39 + 610 + 6 + 5 + 3 = 666.

It is not a de Polignac number, because 2139610653 - 2¹ = 2139610651 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 (2139610651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2084878 + ... + 2085903.

It is an arithmetic number, because the mean of its divisors is an integer number (208539100).

Almost surely, 2^2139610653 is an apocalyptic number.

It is an amenable number.

2139610653 is a deficient number, since it is larger than the sum of its proper divisors (1197014947).

2139610653 is a wasteful number, since it uses less digits than its factorization.

2139610653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170809 (or 4170803 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2139610653 is about 46255.9255987814. The cubic root of 2139610653 is about 1288.5805858682.

Adding to 2139610653 its reverse (3560169312), we get a palindrome (5699779965).

The spelling of 2139610653 in words is "two billion, one hundred thirty-nine million, six hundred ten thousand, six hundred fifty-three".