2151049000 has 64 divisors (see below), whose sum is σ = 5140661760. Its totient is φ = 842094400.

The previous prime is 2151048997. The next prime is 2151049009. The reversal of 2151049000 is 9401512.

It is not an unprimeable number, because it can be changed into a prime (2151049009) 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, 24117 + ... + 69883.

It is an arithmetic number, because the mean of its divisors is an integer number (80322840).

Almost surely, 2^2151049000 is an apocalyptic number.

2151049000 is a gapful number since it is divisible by the number (20) 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 2151049000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570330880).

2151049000 is an abundant number, since it is smaller than the sum of its proper divisors (2989612760).

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

2151049000 is a wasteful number, since it uses less digits than its factorization.

2151049000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45835 (or 45821 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2151049000 is about 46379.4027559649. The cubic root of 2151049000 is about 1290.8727543528.

The spelling of 2151049000 in words is "two billion, one hundred fifty-one million, forty-nine thousand".