40079213713673 has 2 divisors, whose sum is σ = 40079213713674. Its totient is φ = 40079213713672.

The previous prime is 40079213713639. The next prime is 40079213713751. The reversal of 40079213713673 is 37631731297004.

It is a happy number.

40079213713673 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 can be written as a sum of positive squares in only one way, i.e., 39990914402569 + 88299311104 = 6323837^2 + 297152^2 .

It is a cyclic number.

It is not a de Polignac number, because 40079213713673 - 2³² = 40074918746377 is a prime.

It is not a weakly prime, because it can be changed into another prime (40079213703673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039606856836 + 20039606856837.

It is an arithmetic number, because the mean of its divisors is an integer number (20039606856837).

Almost surely, 2^{40079213713673} is an apocalyptic number.

It is an amenable number.

40079213713673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40079213713673 is an equidigital number, since it uses as much as digits as its factorization.

40079213713673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 53.

The spelling of 40079213713673 in words is "forty trillion, seventy-nine billion, two hundred thirteen million, seven hundred thirteen thousand, six hundred seventy-three".