40742853858433 has 2 divisors, whose sum is σ = 40742853858434. Its totient is φ = 40742853858432.

The previous prime is 40742853858401. The next prime is 40742853858533. The reversal of 40742853858433 is 33485835824704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20708215194384 + 20034638664049 = 4550628^2 + 4476007^2 .

It is a cyclic number.

It is not a de Polignac number, because 40742853858433 - 2⁵ = 40742853858401 is a prime.

It is not a weakly prime, because it can be changed into another prime (40742853858533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20371426929216 + 20371426929217.

It is an arithmetic number, because the mean of its divisors is an integer number (20371426929217).

Almost surely, 2^{40742853858433} is an apocalyptic number.

It is an amenable number.

40742853858433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40742853858433 is an equidigital number, since it uses as much as digits as its factorization.

40742853858433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 309657600, while the sum is 64.

The spelling of 40742853858433 in words is "forty trillion, seven hundred forty-two billion, eight hundred fifty-three million, eight hundred fifty-eight thousand, four hundred thirty-three".