40943599783673 has 2 divisors, whose sum is σ = 40943599783674. Its totient is φ = 40943599783672.

The previous prime is 40943599783661. The next prime is 40943599783693. The reversal of 40943599783673 is 37638799534904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30978163034809 + 9965436748864 = 5565803^2 + 3156808^2 .

It is a cyclic number.

It is not a de Polignac number, because 40943599783673 - 2⁶ = 40943599783609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40943599783594 and 40943599783603.

It is not a weakly prime, because it can be changed into another prime (40943599783693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20471799891836 + 20471799891837.

It is an arithmetic number, because the mean of its divisors is an integer number (20471799891837).

Almost surely, 2^{40943599783673} is an apocalyptic number.

It is an amenable number.

40943599783673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40943599783673 is an equidigital number, since it uses as much as digits as its factorization.

40943599783673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3703553280, while the sum is 77.

The spelling of 40943599783673 in words is "forty trillion, nine hundred forty-three billion, five hundred ninety-nine million, seven hundred eighty-three thousand, six hundred seventy-three".