2137979850 has 144 divisors (see below), whose sum is σ = 5563498080. Its totient is φ = 543168000.

The previous prime is 2137979839. The next prime is 2137979897. The reversal of 2137979850 is 589797312.

It is a junction number, because it is equal to n+sod(n) for n = 2137979793 and 2137979802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15381081 + ... + 15381219.

Almost surely, 2^2137979850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137979850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781749040).

2137979850 is an abundant number, since it is smaller than the sum of its proper divisors (3425518230).

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

2137979850 is a wasteful number, since it uses less digits than its factorization.

2137979850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 2137979850 is about 46238.2941943147. The cubic root of 2137979850 is about 1288.2531189360.

The spelling of 2137979850 in words is "two billion, one hundred thirty-seven million, nine hundred seventy-nine thousand, eight hundred fifty".