2137169970 has 192 divisors, whose sum is σ = 6357012480. Its totient is φ = 493807104.

The previous prime is 2137169939. The next prime is 2137170019. The reversal of 2137169970 is 799617312.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2822832 + ... + 2823588.

It is an arithmetic number, because the mean of its divisors is an integer number (33109440).

Almost surely, 2^2137169970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137169970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3178506240).

2137169970 is an abundant number, since it is smaller than the sum of its proper divisors (4219842510).

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

2137169970 is a wasteful number, since it uses less digits than its factorization.

2137169970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 2137169970 is about 46229.5356887780. The cubic root of 2137169970 is about 1288.0904323070.

The spelling of 2137169970 in words is "two billion, one hundred thirty-seven million, one hundred sixty-nine thousand, nine hundred seventy".