2137851008 has 64 divisors (see below), whose sum is σ = 4364131200. Its totient is φ = 1042854912.

The previous prime is 2137851007. The next prime is 2137851011. The reversal of 2137851008 is 8001587312.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2137851007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933641 + ... + 935927.

It is an arithmetic number, because the mean of its divisors is an integer number (68189550).

Almost surely, 2^2137851008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137851008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2182065600).

2137851008 is an abundant number, since it is smaller than the sum of its proper divisors (2226280192).

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

2137851008 is a wasteful number, since it uses less digits than its factorization.

2137851008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 2137851008 is about 46236.9009342105. The cubic root of 2137851008 is about 1288.2272402321.

The spelling of 2137851008 in words is "two billion, one hundred thirty-seven million, eight hundred fifty-one thousand, eight".