2655430421 has 8 divisors (see below), whose sum is σ = 3042348864. Its totient is φ = 2270404800.

The previous prime is 2655430411. The next prime is 2655430429. The reversal of 2655430421 is 1240345562.

2655430421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2655430421 - 2⁶ = 2655430357 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 (2655430429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470195 + ... + 475808.

It is an arithmetic number, because the mean of its divisors is an integer number (380293608).

Almost surely, 2^2655430421 is an apocalyptic number.

It is an amenable number.

2655430421 is a deficient number, since it is larger than the sum of its proper divisors (386918443).

2655430421 is an equidigital number, since it uses as much as digits as its factorization.

2655430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946411.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2655430421 is about 51530.8686226033. The cubic root of 2655430421 is about 1384.7721122793.

Adding to 2655430421 its reverse (1240345562), we get a palindrome (3895775983).

The spelling of 2655430421 in words is "two billion, six hundred fifty-five million, four hundred thirty thousand, four hundred twenty-one".