1306262144563 has 2 divisors, whose sum is σ = 1306262144564. Its totient is φ = 1306262144562.

The previous prime is 1306262144533. The next prime is 1306262144567. The reversal of 1306262144563 is 3654412626031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1306262144563 - 2¹³ = 1306262136371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1306262144567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653131072281 + 653131072282.

It is an arithmetic number, because the mean of its divisors is an integer number (653131072282).

Almost surely, 2^{1306262144563} is an apocalyptic number.

1306262144563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306262144563 is an equidigital number, since it uses as much as digits as its factorization.

1306262144563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 1306262144563 in words is "one trillion, three hundred six billion, two hundred sixty-two million, one hundred forty-four thousand, five hundred sixty-three".