464213693 has 4 divisors (see below), whose sum is σ = 464352348. Its totient is φ = 464075040.

The previous prime is 464213663. The next prime is 464213699. The reversal of 464213693 is 396312464.

It is a happy number.

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 285001924 + 179211769 = 16882^2 + 13387^2 .

It is a cyclic number.

It is not a de Polignac number, because 464213693 - 2¹⁰ = 464212669 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 (464213699) 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 3 ways as a sum of consecutive naturals, for example, 64178 + ... + 71043.

It is an arithmetic number, because the mean of its divisors is an integer number (116088087).

Almost surely, 2^464213693 is an apocalyptic number.

It is an amenable number.

464213693 is a deficient number, since it is larger than the sum of its proper divisors (138655).

464213693 is a wasteful number, since it uses less digits than its factorization.

464213693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138654.

The product of its digits is 93312, while the sum is 38.

The square root of 464213693 is about 21545.6188818052. The cubic root of 464213693 is about 774.2941574776.

The spelling of 464213693 in words is "four hundred sixty-four million, two hundred thirteen thousand, six hundred ninety-three".