93813493 has 2 divisors, whose sum is σ = 93813494. Its totient is φ = 93813492.

The previous prime is 93813451. The next prime is 93813539. The reversal of 93813493 is 39431839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85063729 + 8749764 = 9223^2 + 2958^2 .

It is a cyclic number.

It is not a de Polignac number, because 93813493 - 2⁹ = 93812981 is a prime.

It is a super-2 number, since 2×93813493² = 17601942937722098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93813413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46906746 + 46906747.

It is an arithmetic number, because the mean of its divisors is an integer number (46906747).

Almost surely, 2^93813493 is an apocalyptic number.

It is an amenable number.

93813493 is a deficient number, since it is larger than the sum of its proper divisors (1).

93813493 is an equidigital number, since it uses as much as digits as its factorization.

93813493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 93813493 is about 9685.7365749849. The cubic root of 93813493 is about 454.3826801205.

The spelling of 93813493 in words is "ninety-three million, eight hundred thirteen thousand, four hundred ninety-three".