33400105061 has 2 divisors, whose sum is σ = 33400105062. Its totient is φ = 33400105060.

The previous prime is 33400105049. The next prime is 33400105087. The reversal of 33400105061 is 16050100433.

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., 20172804961 + 13227300100 = 142031^2 + 115010^2 .

It is a cyclic number.

It is not a de Polignac number, because 33400105061 - 2²⁶ = 33332996197 is a prime.

It is a super-2 number, since 2×33400105061² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33400105001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700052530 + 16700052531.

It is an arithmetic number, because the mean of its divisors is an integer number (16700052531).

Almost surely, 2^33400105061 is an apocalyptic number.

It is an amenable number.

33400105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33400105061 is an equidigital number, since it uses as much as digits as its factorization.

33400105061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 33400105061 its reverse (16050100433), we get a palindrome (49450205494).

The spelling of 33400105061 in words is "thirty-three billion, four hundred million, one hundred five thousand, sixty-one".