264212643 has 8 divisors (see below), whose sum is σ = 353822800. Its totient is φ = 175372128.

The previous prime is 264212633. The next prime is 264212677. The reversal of 264212643 is 346212462.

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

It is not a de Polignac number, because 264212643 - 2⁸ = 264212387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264212643.

It is not an unprimeable number, because it can be changed into a prime (264212603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191608 + ... + 192981.

It is an arithmetic number, because the mean of its divisors is an integer number (44227850).

Almost surely, 2^264212643 is an apocalyptic number.

264212643 is a deficient number, since it is larger than the sum of its proper divisors (89610157).

264212643 is a wasteful number, since it uses less digits than its factorization.

264212643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384821.

The product of its digits is 13824, while the sum is 30.

The square root of 264212643 is about 16254.6191281125. The cubic root of 264212643 is about 641.6790570798.

The spelling of 264212643 in words is "two hundred sixty-four million, two hundred twelve thousand, six hundred forty-three".