264781069 has 8 divisors (see below), whose sum is σ = 320407488. Its totient is φ = 213604800.

The previous prime is 264781063. The next prime is 264781073. The reversal of 264781069 is 960187462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264781069 is a prime.

It is a super-2 number, since 2×264781069² = 140218029001565522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264781063) 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, 1112407 + ... + 1112644.

It is an arithmetic number, because the mean of its divisors is an integer number (40050936).

Almost surely, 2^264781069 is an apocalyptic number.

It is an amenable number.

264781069 is a deficient number, since it is larger than the sum of its proper divisors (55626419).

264781069 is a wasteful number, since it uses less digits than its factorization.

264781069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225075.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 264781069 is about 16272.0947944633. The cubic root of 264781069 is about 642.1388960387.

The spelling of 264781069 in words is "two hundred sixty-four million, seven hundred eighty-one thousand, sixty-nine".