2329381861 has 4 divisors (see below), whose sum is σ = 2330121472. Its totient is φ = 2328642252.

The previous prime is 2329381849. The next prime is 2329381883. The reversal of 2329381861 is 1681839232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2329381861 - 2⁹ = 2329381349 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 (2329981861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365061 + ... + 371386.

It is an arithmetic number, because the mean of its divisors is an integer number (582530368).

Almost surely, 2^2329381861 is an apocalyptic number.

It is an amenable number.

2329381861 is a deficient number, since it is larger than the sum of its proper divisors (739611).

2329381861 is an equidigital number, since it uses as much as digits as its factorization.

2329381861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739610.

The product of its digits is 124416, while the sum is 43.

The square root of 2329381861 is about 48263.6701981936. The cubic root of 2329381861 is about 1325.6032588951.

The spelling of 2329381861 in words is "two billion, three hundred twenty-nine million, three hundred eighty-one thousand, eight hundred sixty-one".