44863993 has 2 divisors, whose sum is σ = 44863994. Its totient is φ = 44863992.

The previous prime is 44863981. The next prime is 44863999. The reversal of 44863993 is 39936844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 13638249 = 5588^2 + 3693^2 .

It is a cyclic number.

It is not a de Polignac number, because 44863993 - 2¹⁷ = 44732921 is a prime.

It is not a weakly prime, because it can be changed into another prime (44863999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22431996 + 22431997.

It is an arithmetic number, because the mean of its divisors is an integer number (22431997).

Almost surely, 2^44863993 is an apocalyptic number.

It is an amenable number.

44863993 is a deficient number, since it is larger than the sum of its proper divisors (1).

44863993 is an equidigital number, since it uses as much as digits as its factorization.

44863993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 44863993 is about 6698.0588979196. The cubic root of 44863993 is about 355.3306263167.

The spelling of 44863993 in words is "forty-four million, eight hundred sixty-three thousand, nine hundred ninety-three".