39852933119981 has 2 divisors, whose sum is σ = 39852933119982. Its totient is φ = 39852933119980.

The previous prime is 39852933119969. The next prime is 39852933120019. The reversal of 39852933119981 is 18991133925893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27474737473225 + 12378195646756 = 5241635^2 + 3518266^2 .

It is a cyclic number.

It is not a de Polignac number, because 39852933119981 - 2¹⁴ = 39852933103597 is a prime.

It is a super-2 number, since 2×39852933119981² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39852933119081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19926466559990 + 19926466559991.

It is an arithmetic number, because the mean of its divisors is an integer number (19926466559991).

Almost surely, 2^{39852933119981} is an apocalyptic number.

It is an amenable number.

39852933119981 is a deficient number, since it is larger than the sum of its proper divisors (1).

39852933119981 is an equidigital number, since it uses as much as digits as its factorization.

39852933119981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113374080, while the sum is 71.

The spelling of 39852933119981 in words is "thirty-nine trillion, eight hundred fifty-two billion, nine hundred thirty-three million, one hundred nineteen thousand, nine hundred eighty-one".