40693454249039 has 2 divisors, whose sum is σ = 40693454249040. Its totient is φ = 40693454249038.

The previous prime is 40693454249033. The next prime is 40693454249089. The reversal of 40693454249039 is 93094245439604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40693454249039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40693454249033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20346727124519 + 20346727124520.

It is an arithmetic number, because the mean of its divisors is an integer number (20346727124520).

Almost surely, 2^{40693454249039} is an apocalyptic number.

40693454249039 is a deficient number, since it is larger than the sum of its proper divisors (1).

40693454249039 is an equidigital number, since it uses as much as digits as its factorization.

40693454249039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100776960, while the sum is 62.

The spelling of 40693454249039 in words is "forty trillion, six hundred ninety-three billion, four hundred fifty-four million, two hundred forty-nine thousand, thirty-nine".