4922721593 has 2 divisors, whose sum is σ = 4922721594. Its totient is φ = 4922721592.

The previous prime is 4922721589. The next prime is 4922721613. The reversal of 4922721593 is 3951272294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4909384489 + 13337104 = 70067^2 + 3652^2 .

It is a cyclic number.

It is not a de Polignac number, because 4922721593 - 2² = 4922721589 is a prime.

It is not a weakly prime, because it can be changed into another prime (4922721523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461360796 + 2461360797.

It is an arithmetic number, because the mean of its divisors is an integer number (2461360797).

Almost surely, 2^4922721593 is an apocalyptic number.

It is an amenable number.

4922721593 is a deficient number, since it is larger than the sum of its proper divisors (1).

4922721593 is an equidigital number, since it uses as much as digits as its factorization.

4922721593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 4922721593 is about 70162.1093824865. The cubic root of 4922721593 is about 1701.1205522310.

The spelling of 4922721593 in words is "four billion, nine hundred twenty-two million, seven hundred twenty-one thousand, five hundred ninety-three".