38994491761999 has 2 divisors, whose sum is σ = 38994491762000. Its totient is φ = 38994491761998.

The previous prime is 38994491761987. The next prime is 38994491762011. The reversal of 38994491761999 is 99916719449983.

It is a balanced prime because it is at equal distance from previous prime (38994491761987) and next prime (38994491762011).

It is a cyclic number.

It is not a de Polignac number, because 38994491761999 - 2³⁹ = 38444735948111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38994491761399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497245880999 + 19497245881000.

It is an arithmetic number, because the mean of its divisors is an integer number (19497245881000).

Almost surely, 2^{38994491761999} is an apocalyptic number.

38994491761999 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994491761999 is an equidigital number, since it uses as much as digits as its factorization.

38994491761999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8571080448, while the sum is 88.

The spelling of 38994491761999 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-one thousand, nine hundred ninety-nine".