264313042645 has 8 divisors (see below), whose sum is σ = 317183064120. Its totient is φ = 211445492160.

The previous prime is 264313042633. The next prime is 264313042691. The reversal of 264313042645 is 546240313462.

It can be written as a sum of positive squares in 4 ways, for example, as 2683861636 + 261629181009 = 51806^2 + 511497^2 .

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

It is not a de Polignac number, because 264313042645 - 2¹⁹ = 264312518357 is a prime.

It is a super-2 number, since 2×264313042645² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264313042598 and 264313042607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373650 + ... + 817459.

It is an arithmetic number, because the mean of its divisors is an integer number (39647883015).

Almost surely, 2^264313042645 is an apocalyptic number.

It is an amenable number.

264313042645 is a deficient number, since it is larger than the sum of its proper divisors (52870021475).

264313042645 is a wasteful number, since it uses less digits than its factorization.

264313042645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235495.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 264313042645 in words is "two hundred sixty-four billion, three hundred thirteen million, forty-two thousand, six hundred forty-five".