3893242993 has 2 divisors, whose sum is σ = 3893242994. Its totient is φ = 3893242992.

The previous prime is 3893242987. The next prime is 3893243009. The reversal of 3893242993 is 3992423983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3480056064 + 413186929 = 58992^2 + 20327^2 .

It is a cyclic number.

It is not a de Polignac number, because 3893242993 - 2¹⁷ = 3893111921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3893242993.

It is not a weakly prime, because it can be changed into another prime (3893242933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1946621496 + 1946621497.

It is an arithmetic number, because the mean of its divisors is an integer number (1946621497).

Almost surely, 2^3893242993 is an apocalyptic number.

It is an amenable number.

3893242993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3893242993 is an equidigital number, since it uses as much as digits as its factorization.

3893242993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 52.

The square root of 3893242993 is about 62395.8571781813. The cubic root of 3893242993 is about 1573.1513363716.

The spelling of 3893242993 in words is "three billion, eight hundred ninety-three million, two hundred forty-two thousand, nine hundred ninety-three".