264403606566513 has 16 divisors (see below), whose sum is σ = 356431068496256. Its totient is φ = 174327129244800.

The previous prime is 264403606566509. The next prime is 264403606566553. The reversal of 264403606566513 is 315665606304462.

It is not a de Polignac number, because 264403606566513 - 2² = 264403606566509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264403606566553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564941188 + ... + 565409013.

It is an arithmetic number, because the mean of its divisors is an integer number (22276941781016).

Almost surely, 2^{264403606566513} is an apocalyptic number.

It is an amenable number.

264403606566513 is a deficient number, since it is larger than the sum of its proper divisors (92027461929743).

264403606566513 is a wasteful number, since it uses less digits than its factorization.

264403606566513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130351064.

The product of its (nonzero) digits is 55987200, while the sum is 57.

The spelling of 264403606566513 in words is "two hundred sixty-four trillion, four hundred three billion, six hundred six million, five hundred sixty-six thousand, five hundred thirteen".