4426231025921 has 2 divisors, whose sum is σ = 4426231025922. Its totient is φ = 4426231025920.

The previous prime is 4426231025903. The next prime is 4426231025933. The reversal of 4426231025921 is 1295201326244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2709855914896 + 1716375111025 = 1646164^2 + 1310105^2 .

It is a cyclic number.

It is not a de Polignac number, because 4426231025921 - 2⁶ = 4426231025857 is a prime.

It is not a weakly prime, because it can be changed into another prime (4426231025941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213115512960 + 2213115512961.

It is an arithmetic number, because the mean of its divisors is an integer number (2213115512961).

Almost surely, 2^{4426231025921} is an apocalyptic number.

It is an amenable number.

4426231025921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4426231025921 is an equidigital number, since it uses as much as digits as its factorization.

4426231025921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 4426231025921 in words is "four trillion, four hundred twenty-six billion, two hundred thirty-one million, twenty-five thousand, nine hundred twenty-one".