264896438407 has 2 divisors, whose sum is σ = 264896438408. Its totient is φ = 264896438406.

The previous prime is 264896438393. The next prime is 264896438413. The reversal of 264896438407 is 704834698462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264896438407 - 2¹⁹ = 264895914119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264896438707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132448219203 + 132448219204.

It is an arithmetic number, because the mean of its divisors is an integer number (132448219204).

Almost surely, 2^264896438407 is an apocalyptic number.

264896438407 is a deficient number, since it is larger than the sum of its proper divisors (1).

264896438407 is an equidigital number, since it uses as much as digits as its factorization.

264896438407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 264896438407 in words is "two hundred sixty-four billion, eight hundred ninety-six million, four hundred thirty-eight thousand, four hundred seven".