4923874621 has 2 divisors, whose sum is σ = 4923874622. Its totient is φ = 4923874620.

The previous prime is 4923874547. The next prime is 4923874639. The reversal of 4923874621 is 1264783294.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4900700025 + 23174596 = 70005^2 + 4814^2 .

It is a cyclic number.

It is not a de Polignac number, because 4923874621 - 2¹³ = 4923866429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4923874651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461937310 + 2461937311.

It is an arithmetic number, because the mean of its divisors is an integer number (2461937311).

Almost surely, 2^4923874621 is an apocalyptic number.

It is an amenable number.

4923874621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4923874621 is an equidigital number, since it uses as much as digits as its factorization.

4923874621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 4923874621 is about 70170.3257866172. The cubic root of 4923874621 is about 1701.2533572570.

The spelling of 4923874621 in words is "four billion, nine hundred twenty-three million, eight hundred seventy-four thousand, six hundred twenty-one".