2146899612 has 144 divisors (see below), whose sum is σ = 5973742880. Its totient is φ = 599639040.

The previous prime is 2146899593. The next prime is 2146899613. The reversal of 2146899612 is 2169986412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146899613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3189708 + ... + 3190380.

Almost surely, 2^2146899612 is an apocalyptic number.

2146899612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146899612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2986871440).

2146899612 is an abundant number, since it is smaller than the sum of its proper divisors (3826843268).

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

2146899612 is a wasteful number, since it uses less digits than its factorization.

2146899612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 702 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 2146899612 is about 46334.6480724738. The cubic root of 2146899612 is about 1290.0421859890.

The spelling of 2146899612 in words is "two billion, one hundred forty-six million, eight hundred ninety-nine thousand, six hundred twelve".