264351726013 has 4 divisors (see below), whose sum is σ = 264857179168. Its totient is φ = 263846272860.

The previous prime is 264351725977. The next prime is 264351726029. The reversal of 264351726013 is 310627153462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264351726013 - 2¹³ = 264351717821 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 (264351726043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252725793 + ... + 252726838.

It is an arithmetic number, because the mean of its divisors is an integer number (66214294792).

Almost surely, 2^264351726013 is an apocalyptic number.

It is an amenable number.

264351726013 is a deficient number, since it is larger than the sum of its proper divisors (505453155).

264351726013 is an equidigital number, since it uses as much as digits as its factorization.

264351726013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505453154.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 264351726013 its reverse (310627153462), we get a palindrome (574978879475).

The spelling of 264351726013 in words is "two hundred sixty-four billion, three hundred fifty-one million, seven hundred twenty-six thousand, thirteen".