2365422421 has 4 divisors (see below), whose sum is σ = 2365752844. Its totient is φ = 2365092000.

The previous prime is 2365422379. The next prime is 2365422457. The reversal of 2365422421 is 1242245632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 257602500 + 2107819921 = 16050^2 + 45911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2365422421 - 2⁹ = 2365421909 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 (2365422221) 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, 154230 + ... + 168871.

It is an arithmetic number, because the mean of its divisors is an integer number (591438211).

Almost surely, 2^2365422421 is an apocalyptic number.

It is an amenable number.

2365422421 is a deficient number, since it is larger than the sum of its proper divisors (330423).

2365422421 is an equidigital number, since it uses as much as digits as its factorization.

2365422421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330422.

The product of its digits is 23040, while the sum is 31.

The square root of 2365422421 is about 48635.6085702646. The cubic root of 2365422421 is about 1332.4049465499.

The spelling of 2365422421 in words is "two billion, three hundred sixty-five million, four hundred twenty-two thousand, four hundred twenty-one".