264543743 has 2 divisors, whose sum is σ = 264543744. Its totient is φ = 264543742.

The previous prime is 264543701. The next prime is 264543761. The reversal of 264543743 is 347345462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264543743 - 2⁶ = 264543679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264543697 and 264543706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264543793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132271871 + 132271872.

It is an arithmetic number, because the mean of its divisors is an integer number (132271872).

Almost surely, 2^264543743 is an apocalyptic number.

264543743 is a deficient number, since it is larger than the sum of its proper divisors (1).

264543743 is an equidigital number, since it uses as much as digits as its factorization.

264543743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 38.

The square root of 264543743 is about 16264.8007365599. The cubic root of 264543743 is about 641.9469867879.

The spelling of 264543743 in words is "two hundred sixty-four million, five hundred forty-three thousand, seven hundred forty-three".