213433333993 has 8 divisors (see below), whose sum is σ = 238515300576. Its totient is φ = 189297856800.

The previous prime is 213433333987. The next prime is 213433334033. The reversal of 213433333993 is 399333334312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213433333993 - 2¹³ = 213433325801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213433333943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236621871 + ... + 236622772.

It is an arithmetic number, because the mean of its divisors is an integer number (29814412572).

Almost surely, 2^213433333993 is an apocalyptic number.

It is an amenable number.

213433333993 is a deficient number, since it is larger than the sum of its proper divisors (25081966583).

213433333993 is a wasteful number, since it uses less digits than its factorization.

213433333993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473244695.

The product of its digits is 1417176, while the sum is 46.

The spelling of 213433333993 in words is "two hundred thirteen billion, four hundred thirty-three million, three hundred thirty-three thousand, nine hundred ninety-three".