2031866964 has 96 divisors (see below), whose sum is σ = 5396912640. Its totient is φ = 660783744.

The previous prime is 2031866927. The next prime is 2031866981. The reversal of 2031866964 is 4696681302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3111262 + ... + 3111914.

It is an arithmetic number, because the mean of its divisors is an integer number (56217840).

Almost surely, 2^2031866964 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 2031866964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698456320).

2031866964 is an abundant number, since it is smaller than the sum of its proper divisors (3365045676).

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

2031866964 is a wasteful number, since it uses less digits than its factorization.

2031866964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 2031866964 is about 45076.2350246779. The cubic root of 2031866964 is about 1266.5774639244.

The spelling of 2031866964 in words is "two billion, thirty-one million, eight hundred sixty-six thousand, nine hundred sixty-four".