264430423247 has 2 divisors, whose sum is σ = 264430423248. Its totient is φ = 264430423246.

The previous prime is 264430423217. The next prime is 264430423273. The reversal of 264430423247 is 742324034462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264430423247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264430423217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132215211623 + 132215211624.

It is an arithmetic number, because the mean of its divisors is an integer number (132215211624).

Almost surely, 2^264430423247 is an apocalyptic number.

264430423247 is a deficient number, since it is larger than the sum of its proper divisors (1).

264430423247 is an equidigital number, since it uses as much as digits as its factorization.

264430423247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 41.

The spelling of 264430423247 in words is "two hundred sixty-four billion, four hundred thirty million, four hundred twenty-three thousand, two hundred forty-seven".