213741493 has 8 divisors (see below), whose sum is σ = 258645312. Its totient is φ = 172430016.

The previous prime is 213741481. The next prime is 213741547. The reversal of 213741493 is 394147312.

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 213741493 - 2¹⁷ = 213610421 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 (213741413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897955 + ... + 898192.

It is an arithmetic number, because the mean of its divisors is an integer number (32330664).

Almost surely, 2^213741493 is an apocalyptic number.

It is an amenable number.

213741493 is a deficient number, since it is larger than the sum of its proper divisors (44903819).

213741493 is a wasteful number, since it uses less digits than its factorization.

213741493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796171.

The product of its digits is 18144, while the sum is 34.

The square root of 213741493 is about 14619.9005810573. The cubic root of 213741493 is about 597.9014585785.

The spelling of 213741493 in words is "two hundred thirteen million, seven hundred forty-one thousand, four hundred ninety-three".