2153288690 has 64 divisors (see below), whose sum is σ = 4505338368. Its totient is φ = 725760000.

The previous prime is 2153288689. The next prime is 2153288693. The reversal of 2153288690 is 968823512.

It is a super-2 number, since 2×2153288690² = 9273304364963832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153288693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1066562 + ... + 1068578.

It is an arithmetic number, because the mean of its divisors is an integer number (70395912).

Almost surely, 2^2153288690 is an apocalyptic number.

2153288690 is an abundant number, since it is smaller than the sum of its proper divisors (2352049678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153288690 is a wasteful number, since it uses less digits than its factorization.

2153288690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2153288690 is about 46403.5417829286. The cubic root of 2153288690 is about 1291.3206214087.

The spelling of 2153288690 in words is "two billion, one hundred fifty-three million, two hundred eighty-eight thousand, six hundred ninety".