38994491761033 has 2 divisors, whose sum is σ = 38994491761034. Its totient is φ = 38994491761032.

The previous prime is 38994491761019. The next prime is 38994491761073. The reversal of 38994491761033 is 33016719449983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38535638613264 + 458853147769 = 6207708^2 + 677387^2 .

It is a cyclic number.

It is not a de Polignac number, because 38994491761033 - 2²⁵ = 38994458206601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38994491761033.

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, 19497245880516 + 19497245880517.

It is an arithmetic number, because the mean of its divisors is an integer number (19497245880517).

Almost surely, 2^{38994491761033} is an apocalyptic number.

It is an amenable number.

38994491761033 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994491761033 is an equidigital number, since it uses as much as digits as its factorization.

38994491761033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105815808, while the sum is 67.

The spelling of 38994491761033 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-one thousand, thirty-three".