2634623421 has 8 divisors (see below), whose sum is σ = 3526500864. Its totient is φ = 1749580800.

The previous prime is 2634623417. The next prime is 2634623423. The reversal of 2634623421 is 1243264362.

2634623421 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 not a de Polignac number, because 2634623421 - 2² = 2634623417 is a prime.

It is a super-3 number, since 3×2634623421³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634623423) 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, 1707805 + ... + 1709346.

It is an arithmetic number, because the mean of its divisors is an integer number (440812608).

Almost surely, 2^2634623421 is an apocalyptic number.

It is an amenable number.

2634623421 is a deficient number, since it is larger than the sum of its proper divisors (891877443).

2634623421 is a wasteful number, since it uses less digits than its factorization.

2634623421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417411.

The product of its digits is 41472, while the sum is 33.

The square root of 2634623421 is about 51328.5828851723. The cubic root of 2634623421 is about 1381.1457649999.

Adding to 2634623421 its reverse (1243264362), we get a palindrome (3877887783).

The spelling of 2634623421 in words is "two billion, six hundred thirty-four million, six hundred twenty-three thousand, four hundred twenty-one".