1264063447 has 2 divisors, whose sum is σ = 1264063448. Its totient is φ = 1264063446.

The previous prime is 1264063433. The next prime is 1264063457. The reversal of 1264063447 is 7443604621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264063447 - 2²³ = 1255674839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264063457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632031723 + 632031724.

It is an arithmetic number, because the mean of its divisors is an integer number (632031724).

Almost surely, 2^1264063447 is an apocalyptic number.

1264063447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264063447 is an equidigital number, since it uses as much as digits as its factorization.

1264063447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 1264063447 is about 35553.6699512160. The cubic root of 1264063447 is about 1081.2421256758.

The spelling of 1264063447 in words is "one billion, two hundred sixty-four million, sixty-three thousand, four hundred forty-seven".