245785726007 has 4 divisors (see below), whose sum is σ = 245796453456. Its totient is φ = 245774998560.

The previous prime is 245785725989. The next prime is 245785726009. The reversal of 245785726007 is 700627587542.

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

It is a cyclic number.

It is not a de Polignac number, because 245785726007 - 2²⁰ = 245784677431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245785726007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245785726009) 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, 5329283 + ... + 5375204.

It is an arithmetic number, because the mean of its divisors is an integer number (61449113364).

Almost surely, 2^245785726007 is an apocalyptic number.

245785726007 is a deficient number, since it is larger than the sum of its proper divisors (10727449).

245785726007 is a wasteful number, since it uses less digits than its factorization.

245785726007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727448.

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 245785726007 in words is "two hundred forty-five billion, seven hundred eighty-five million, seven hundred twenty-six thousand, seven".