4033685005121 has 2 divisors, whose sum is σ = 4033685005122. Its totient is φ = 4033685005120.

The previous prime is 4033685005093. The next prime is 4033685005193. The reversal of 4033685005121 is 1215005863304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4027503114496 + 6181890625 = 2006864^2 + 78625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4033685005121 - 2⁶ = 4033685005057 is a prime.

It is a super-2 number, since 2×4033685005121² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4033685005921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016842502560 + 2016842502561.

It is an arithmetic number, because the mean of its divisors is an integer number (2016842502561).

Almost surely, 2^{4033685005121} is an apocalyptic number.

It is an amenable number.

4033685005121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033685005121 is an equidigital number, since it uses as much as digits as its factorization.

4033685005121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 4033685005121 in words is "four trillion, thirty-three billion, six hundred eighty-five million, five thousand, one hundred twenty-one".