45197717563 has 2 divisors, whose sum is σ = 45197717564. Its totient is φ = 45197717562.

The previous prime is 45197717491. The next prime is 45197717599. The reversal of 45197717563 is 36571779154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45197717563 - 2²¹ = 45195620411 is a prime.

It is not a weakly prime, because it can be changed into another prime (45197717263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22598858781 + 22598858782.

It is an arithmetic number, because the mean of its divisors is an integer number (22598858782).

Almost surely, 2^45197717563 is an apocalyptic number.

45197717563 is a deficient number, since it is larger than the sum of its proper divisors (1).

45197717563 is an equidigital number, since it uses as much as digits as its factorization.

45197717563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5556600, while the sum is 55.

The spelling of 45197717563 in words is "forty-five billion, one hundred ninety-seven million, seven hundred seventeen thousand, five hundred sixty-three".