264073977073 has 4 divisors (see below), whose sum is σ = 264325716900. Its totient is φ = 263822237248.

The previous prime is 264073977067. The next prime is 264073977107. The reversal of 264073977073 is 370779370462.

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 254557584369 + 9516392704 = 504537^2 + 97552^2 .

It is a cyclic number.

It is not a de Polignac number, because 264073977073 - 2⁹ = 264073976561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264073977373) 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, 125868340 + ... + 125870437.

It is an arithmetic number, because the mean of its divisors is an integer number (66081429225).

Almost surely, 2^264073977073 is an apocalyptic number.

It is an amenable number.

264073977073 is a deficient number, since it is larger than the sum of its proper divisors (251739827).

264073977073 is a wasteful number, since it uses less digits than its factorization.

264073977073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251739826.

The product of its (nonzero) digits is 9335088, while the sum is 55.

The spelling of 264073977073 in words is "two hundred sixty-four billion, seventy-three million, nine hundred seventy-seven thousand, seventy-three".