2153149206 has 32 divisors (see below), whose sum is σ = 4787155968. Its totient is φ = 641135520.

The previous prime is 2153149171. The next prime is 2153149213. The reversal of 2153149206 is 6029413512.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 442816 + ... + 447651.

It is an arithmetic number, because the mean of its divisors is an integer number (149598624).

Almost surely, 2^2153149206 is an apocalyptic number.

2153149206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2153149206 is an abundant number, since it is smaller than the sum of its proper divisors (2634006762).

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

2153149206 is a wasteful number, since it uses less digits than its factorization.

2153149206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890516.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2153149206 is about 46402.0388129660. The cubic root of 2153149206 is about 1291.2927380976.

The spelling of 2153149206 in words is "two billion, one hundred fifty-three million, one hundred forty-nine thousand, two hundred six".