2113641530 has 64 divisors (see below), whose sum is σ = 5108237568. Its totient is φ = 608117760.

The previous prime is 2113641503. The next prime is 2113641581. The reversal of 2113641530 is 351463112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 2113641530.

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, 95567 + ... + 115586.

It is an arithmetic number, because the mean of its divisors is an integer number (79816212).

Almost surely, 2^2113641530 is an apocalyptic number.

2113641530 is an abundant number, since it is smaller than the sum of its proper divisors (2994596038).

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

2113641530 is a wasteful number, since it uses less digits than its factorization.

2113641530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211191.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2113641530 is about 45974.3573092653. The cubic root of 2113641530 is about 1283.3460489361.

The spelling of 2113641530 in words is "two billion, one hundred thirteen million, six hundred forty-one thousand, five hundred thirty".