38363126091971 has 2 divisors, whose sum is σ = 38363126091972. Its totient is φ = 38363126091970.

The previous prime is 38363126091833. The next prime is 38363126091989. The reversal of 38363126091971 is 17919062136383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38363126091971 is a prime.

It is a super-2 number, since 2×38363126091971² (a number of 28 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 38363126091971.

It is not a weakly prime, because it can be changed into another prime (38363126091271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19181563045985 + 19181563045986.

It is an arithmetic number, because the mean of its divisors is an integer number (19181563045986).

Almost surely, 2^{38363126091971} is an apocalyptic number.

38363126091971 is a deficient number, since it is larger than the sum of its proper divisors (1).

38363126091971 is an equidigital number, since it uses as much as digits as its factorization.

38363126091971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 38363126091971 in words is "thirty-eight trillion, three hundred sixty-three billion, one hundred twenty-six million, ninety-one thousand, nine hundred seventy-one".