2130653646 has 96 divisors (see below), whose sum is σ = 5270323968. Its totient is φ = 639757440.

The previous prime is 2130653633. The next prime is 2130653663. The reversal of 2130653646 is 6463560312.

2130653646 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 6 + 5 + 3 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2130653646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602335 + ... + 605861.

It is an arithmetic number, because the mean of its divisors is an integer number (54899208).

Almost surely, 2^2130653646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130653646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635161984).

2130653646 is an abundant number, since it is smaller than the sum of its proper divisors (3139670322).

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

2130653646 is a wasteful number, since it uses less digits than its factorization.

2130653646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2130653646 is about 46159.0039537250. The cubic root of 2130653646 is about 1286.7799516203.

The spelling of 2130653646 in words is "two billion, one hundred thirty million, six hundred fifty-three thousand, six hundred forty-six".