2338621861 has 4 divisors (see below), whose sum is σ = 2366798112. Its totient is φ = 2310445612.

The previous prime is 2338621849. The next prime is 2338621867. The reversal of 2338621861 is 1681268332.

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 2338621861 - 2¹¹ = 2338619813 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 (2338621867) 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, 14088001 + ... + 14088166.

It is an arithmetic number, because the mean of its divisors is an integer number (591699528).

Almost surely, 2^2338621861 is an apocalyptic number.

It is an amenable number.

2338621861 is a deficient number, since it is larger than the sum of its proper divisors (28176251).

2338621861 is an equidigital number, since it uses as much as digits as its factorization.

2338621861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28176250.

The product of its digits is 82944, while the sum is 40.

The square root of 2338621861 is about 48359.2996330592. The cubic root of 2338621861 is about 1327.3537110027.

The spelling of 2338621861 in words is "two billion, three hundred thirty-eight million, six hundred twenty-one thousand, eight hundred sixty-one".