2038971908291 has 2 divisors, whose sum is σ = 2038971908292. Its totient is φ = 2038971908290.

The previous prime is 2038971908279. The next prime is 2038971908317. The reversal of 2038971908291 is 1928091798302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2038971908291 - 2¹⁸ = 2038971646147 is a prime.

It is a super-2 number, since 2×2038971908291² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2038971908291.

It is not a weakly prime, because it can be changed into another prime (2038971908231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019485954145 + 1019485954146.

It is an arithmetic number, because the mean of its divisors is an integer number (1019485954146).

Almost surely, 2^{2038971908291} is an apocalyptic number.

2038971908291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2038971908291 is an equidigital number, since it uses as much as digits as its factorization.

2038971908291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 2038971908291 in words is "two trillion, thirty-eight billion, nine hundred seventy-one million, nine hundred eight thousand, two hundred ninety-one".