264401279959 has 2 divisors, whose sum is σ = 264401279960. Its totient is φ = 264401279958.

The previous prime is 264401279921. The next prime is 264401279977. The reversal of 264401279959 is 959972104462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264401279959 - 2²³ = 264392891351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264401279999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132200639979 + 132200639980.

It is an arithmetic number, because the mean of its divisors is an integer number (132200639980).

Almost surely, 2^264401279959 is an apocalyptic number.

264401279959 is a deficient number, since it is larger than the sum of its proper divisors (1).

264401279959 is an equidigital number, since it uses as much as digits as its factorization.

264401279959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 264401279959 in words is "two hundred sixty-four billion, four hundred one million, two hundred seventy-nine thousand, nine hundred fifty-nine".