993274213 has 4 divisors (see below), whose sum is σ = 1020119500. Its totient is φ = 966428928.

The previous prime is 993274207. The next prime is 993274231. The reversal of 993274213 is 312472399.

993274213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 625900324 + 367373889 = 25018^2 + 19167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993274213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993274013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13422588 + ... + 13422661.

It is an arithmetic number, because the mean of its divisors is an integer number (255029875).

Almost surely, 2^993274213 is an apocalyptic number.

It is an amenable number.

993274213 is a deficient number, since it is larger than the sum of its proper divisors (26845287).

993274213 is a wasteful number, since it uses less digits than its factorization.

993274213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845286.

The product of its digits is 81648, while the sum is 40.

The square root of 993274213 is about 31516.2531561098. The cubic root of 993274213 is about 997.7530258889.

The spelling of 993274213 in words is "nine hundred ninety-three million, two hundred seventy-four thousand, two hundred thirteen".