40744143563 has 2 divisors, whose sum is σ = 40744143564. Its totient is φ = 40744143562.

The previous prime is 40744143547. The next prime is 40744143599. The reversal of 40744143563 is 36534144704.

It is a happy number.

40744143563 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 40744143563 - 2⁴ = 40744143547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40744143563.

It is not a weakly prime, because it can be changed into another prime (40744143163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372071781 + 20372071782.

It is an arithmetic number, because the mean of its divisors is an integer number (20372071782).

Almost surely, 2^40744143563 is an apocalyptic number.

40744143563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744143563 is an equidigital number, since it uses as much as digits as its factorization.

40744143563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 40744143563 in words is "forty billion, seven hundred forty-four million, one hundred forty-three thousand, five hundred sixty-three".