2321738861 has 16 divisors (see below), whose sum is σ = 2564580480. Its totient is φ = 2088313920.

The previous prime is 2321738791. The next prime is 2321738899. The reversal of 2321738861 is 1688371232.

2321738861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2321738861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321738561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240671 + ... + 250131.

It is an arithmetic number, because the mean of its divisors is an integer number (160286280).

Almost surely, 2^2321738861 is an apocalyptic number.

It is an amenable number.

2321738861 is a deficient number, since it is larger than the sum of its proper divisors (242841619).

2321738861 is a wasteful number, since it uses less digits than its factorization.

2321738861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956.

The product of its digits is 96768, while the sum is 41.

The square root of 2321738861 is about 48184.4255024380. The cubic root of 2321738861 is about 1324.1518456639.

The spelling of 2321738861 in words is "two billion, three hundred twenty-one million, seven hundred thirty-eight thousand, eight hundred sixty-one".