4124672621 has 2 divisors, whose sum is σ = 4124672622. Its totient is φ = 4124672620.

The previous prime is 4124672609. The next prime is 4124672647. The reversal of 4124672621 is 1262764214.

It is a happy number.

4124672621 is digitally balanced in base 3, 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., 3900002500 + 224670121 = 62450^2 + 14989^2 .

It is a cyclic number.

It is not a de Polignac number, because 4124672621 - 2²² = 4120478317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4124072621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062336310 + 2062336311.

It is an arithmetic number, because the mean of its divisors is an integer number (2062336311).

Almost surely, 2^4124672621 is an apocalyptic number.

It is an amenable number.

4124672621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124672621 is an equidigital number, since it uses as much as digits as its factorization.

4124672621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 4124672621 is about 64223.6142006972. The cubic root of 4124672621 is about 1603.7247364257.

The spelling of 4124672621 in words is "four billion, one hundred twenty-four million, six hundred seventy-two thousand, six hundred twenty-one".