38994491761019 has 2 divisors, whose sum is σ = 38994491761020. Its totient is φ = 38994491761018.

The previous prime is 38994491761013. The next prime is 38994491761033. The reversal of 38994491761019 is 91016719449983.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38994491761019 is a prime.

It is a super-2 number, since 2×38994491761019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38994491761013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497245880509 + 19497245880510.

It is an arithmetic number, because the mean of its divisors is an integer number (19497245880510).

Almost surely, 2^{38994491761019} is an apocalyptic number.

38994491761019 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994491761019 is an equidigital number, since it uses as much as digits as its factorization.

38994491761019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 71.

The spelling of 38994491761019 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-one thousand, nineteen".