40563601447 has 2 divisors, whose sum is σ = 40563601448. Its totient is φ = 40563601446.

The previous prime is 40563601423. The next prime is 40563601483. The reversal of 40563601447 is 74410636504.

40563601447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40563601447 - 2⁷ = 40563601319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40563601487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20281800723 + 20281800724.

It is an arithmetic number, because the mean of its divisors is an integer number (20281800724).

Almost surely, 2^40563601447 is an apocalyptic number.

40563601447 is a deficient number, since it is larger than the sum of its proper divisors (1).

40563601447 is an equidigital number, since it uses as much as digits as its factorization.

40563601447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 40563601447 in words is "forty billion, five hundred sixty-three million, six hundred one thousand, four hundred forty-seven".