264449951 has 8 divisors (see below), whose sum is σ = 266276640. Its totient is φ = 262628352.

The previous prime is 264449921. The next prime is 264449971. The reversal of 264449951 is 159944462.

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 264449951 - 2¹⁰ = 264448927 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 (264449921) 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, 204515 + ... + 205803.

It is an arithmetic number, because the mean of its divisors is an integer number (33284580).

Almost surely, 2^264449951 is an apocalyptic number.

264449951 is a deficient number, since it is larger than the sum of its proper divisors (1826689).

264449951 is a wasteful number, since it uses less digits than its factorization.

264449951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its digits is 311040, while the sum is 44.

The square root of 264449951 is about 16261.9171993956. The cubic root of 264449951 is about 641.8711119904.

The spelling of 264449951 in words is "two hundred sixty-four million, four hundred forty-nine thousand, nine hundred fifty-one".