4254400621 has 2 divisors, whose sum is σ = 4254400622. Its totient is φ = 4254400620.

The previous prime is 4254400613. The next prime is 4254400687. The reversal of 4254400621 is 1260044524.

4254400621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3053778121 + 1200622500 = 55261^2 + 34650^2 .

It is a cyclic number.

It is not a de Polignac number, because 4254400621 - 2³ = 4254400613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4254400621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4254400121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127200310 + 2127200311.

It is an arithmetic number, because the mean of its divisors is an integer number (2127200311).

Almost surely, 2^4254400621 is an apocalyptic number.

It is an amenable number.

4254400621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4254400621 is an equidigital number, since it uses as much as digits as its factorization.

4254400621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4254400621 is about 65225.7665420653. The cubic root of 4254400621 is about 1620.3647785225.

The spelling of 4254400621 in words is "four billion, two hundred fifty-four million, four hundred thousand, six hundred twenty-one".