1375746563 has 2 divisors, whose sum is σ = 1375746564. Its totient is φ = 1375746562.

The previous prime is 1375746557. The next prime is 1375746611. The reversal of 1375746563 is 3656475731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1375746563 - 2⁶ = 1375746499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1375746503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687873281 + 687873282.

It is an arithmetic number, because the mean of its divisors is an integer number (687873282).

Almost surely, 2^1375746563 is an apocalyptic number.

1375746563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375746563 is an equidigital number, since it uses as much as digits as its factorization.

1375746563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 47.

The square root of 1375746563 is about 37091.0577228528. The cubic root of 1375746563 is about 1112.1912623564.

The spelling of 1375746563 in words is "one billion, three hundred seventy-five million, seven hundred forty-six thousand, five hundred sixty-three".