38996640029 has 2 divisors, whose sum is σ = 38996640030. Its totient is φ = 38996640028.

The previous prime is 38996639987. The next prime is 38996640073. The reversal of 38996640029 is 92004669983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38797180900 + 199459129 = 196970^2 + 14123^2 .

It is a cyclic number.

It is not a de Polignac number, because 38996640029 - 2¹⁶ = 38996574493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38996642029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19498320014 + 19498320015.

It is an arithmetic number, because the mean of its divisors is an integer number (19498320015).

Almost surely, 2^38996640029 is an apocalyptic number.

It is an amenable number.

38996640029 is a deficient number, since it is larger than the sum of its proper divisors (1).

38996640029 is an equidigital number, since it uses as much as digits as its factorization.

38996640029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 38996640029 in words is "thirty-eight billion, nine hundred ninety-six million, six hundred forty thousand, twenty-nine".