264619495123 has 2 divisors, whose sum is σ = 264619495124. Its totient is φ = 264619495122.

The previous prime is 264619495109. The next prime is 264619495247. The reversal of 264619495123 is 321594916462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264619495123 - 2²⁵ = 264585940691 is a prime.

It is not a weakly prime, because it can be changed into another prime (264619795123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132309747561 + 132309747562.

It is an arithmetic number, because the mean of its divisors is an integer number (132309747562).

Almost surely, 2^264619495123 is an apocalyptic number.

264619495123 is a deficient number, since it is larger than the sum of its proper divisors (1).

264619495123 is an equidigital number, since it uses as much as digits as its factorization.

264619495123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The spelling of 264619495123 in words is "two hundred sixty-four billion, six hundred nineteen million, four hundred ninety-five thousand, one hundred twenty-three".