264401103504653 has 4 divisors (see below), whose sum is σ = 279954109593180. Its totient is φ = 248848097416128.

The previous prime is 264401103504607. The next prime is 264401103504679. The reversal of 264401103504653 is 356405301104462.

264401103504653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197743725131044 + 66657378373609 = 14062138^2 + 8164397^2 .

It is a cyclic number.

It is not a de Polignac number, because 264401103504653 - 2²² = 264401099310349 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 (264401103504053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7776503044238 + ... + 7776503044271.

It is an arithmetic number, because the mean of its divisors is an integer number (69988527398295).

Almost surely, 2^{264401103504653} is an apocalyptic number.

It is an amenable number.

264401103504653 is a deficient number, since it is larger than the sum of its proper divisors (15553006088527).

264401103504653 is a wasteful number, since it uses less digits than its factorization.

264401103504653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15553006088526.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 264401103504653 in words is "two hundred sixty-four trillion, four hundred one billion, one hundred three million, five hundred four thousand, six hundred fifty-three".