264427640341 has 2 divisors, whose sum is σ = 264427640342. Its totient is φ = 264427640340.

The previous prime is 264427640317. The next prime is 264427640381. The reversal of 264427640341 is 143046724462.

It is a happy number.

264427640341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156364884900 + 108062755441 = 395430^2 + 328729^2 .

It is a cyclic number.

It is not a de Polignac number, because 264427640341 - 2²⁵ = 264394085909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264427640381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132213820170 + 132213820171.

It is an arithmetic number, because the mean of its divisors is an integer number (132213820171).

Almost surely, 2^264427640341 is an apocalyptic number.

It is an amenable number.

264427640341 is a deficient number, since it is larger than the sum of its proper divisors (1).

264427640341 is an equidigital number, since it uses as much as digits as its factorization.

264427640341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 264427640341 in words is "two hundred sixty-four billion, four hundred twenty-seven million, six hundred forty thousand, three hundred forty-one".