2384661641 has 2 divisors, whose sum is σ = 2384661642. Its totient is φ = 2384661640.

The previous prime is 2384661569. The next prime is 2384661673. The reversal of 2384661641 is 1461664832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280540025 + 104121616 = 47755^2 + 10204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2384661641 - 2²² = 2380467337 is a prime.

It is a super-2 number, since 2×2384661641² = 11373222284113625762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2384661691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192330820 + 1192330821.

It is an arithmetic number, because the mean of its divisors is an integer number (1192330821).

Almost surely, 2^2384661641 is an apocalyptic number.

It is an amenable number.

2384661641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2384661641 is an equidigital number, since it uses as much as digits as its factorization.

2384661641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 2384661641 is about 48832.9974607335. The cubic root of 2384661641 is about 1336.0075792968.

The spelling of 2384661641 in words is "two billion, three hundred eighty-four million, six hundred sixty-one thousand, six hundred forty-one".