939990001101001 has 2 divisors, whose sum is σ = 939990001101002. Its totient is φ = 939990001101000.

The previous prime is 939990001100971. The next prime is 939990001101029. The reversal of 939990001101001 is 100101100099939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692799252366400 + 247190748734601 = 26321080^2 + 15722301^2 .

It is an emirp because it is prime and its reverse (100101100099939) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 939990001101001 - 2⁷ = 939990001100873 is a prime.

It is a super-2 number, since 2×939990001101001² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (939990001201001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469995000550500 + 469995000550501.

It is an arithmetic number, because the mean of its divisors is an integer number (469995000550501).

Almost surely, 2^{939990001101001} is an apocalyptic number.

It is an amenable number.

939990001101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

939990001101001 is an equidigital number, since it uses as much as digits as its factorization.

939990001101001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19683, while the sum is 43.

The spelling of 939990001101001 in words is "nine hundred thirty-nine trillion, nine hundred ninety billion, one million, one hundred one thousand, one".