3993063493 has 2 divisors, whose sum is σ = 3993063494. Its totient is φ = 3993063492.

The previous prime is 3993063467. The next prime is 3993063499. The reversal of 3993063493 is 3943603993.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2370423969 + 1622639524 = 48687^2 + 40282^2 .

It is a cyclic number.

It is not a de Polignac number, because 3993063493 - 2²⁵ = 3959509061 is a prime.

It is a super-2 number, since 2×3993063493² = 31889112118258722098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3993063499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996531746 + 1996531747.

It is an arithmetic number, because the mean of its divisors is an integer number (1996531747).

Almost surely, 2^3993063493 is an apocalyptic number.

It is an amenable number.

3993063493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3993063493 is an equidigital number, since it uses as much as digits as its factorization.

3993063493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 49.

The square root of 3993063493 is about 63190.6915059489. The cubic root of 3993063493 is about 1586.4829361781.

The spelling of 3993063493 in words is "three billion, nine hundred ninety-three million, sixty-three thousand, four hundred ninety-three".