4044893393 has 2 divisors, whose sum is σ = 4044893394. Its totient is φ = 4044893392.

The previous prime is 4044893389. The next prime is 4044893401. The reversal of 4044893393 is 3933984404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3079362064 + 965531329 = 55492^2 + 31073^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044893393 - 2² = 4044893389 is a prime.

It is a super-2 number, since 2×4044893393² = 32722325121470104898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4044892393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022446696 + 2022446697.

It is an arithmetic number, because the mean of its divisors is an integer number (2022446697).

Almost surely, 2^4044893393 is an apocalyptic number.

It is an amenable number.

4044893393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044893393 is an equidigital number, since it uses as much as digits as its factorization.

4044893393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The square root of 4044893393 is about 63599.4763579072. The cubic root of 4044893393 is about 1593.3176238898.

The spelling of 4044893393 in words is "four billion, forty-four million, eight hundred ninety-three thousand, three hundred ninety-three".