18833532061 has 2 divisors, whose sum is σ = 18833532062. Its totient is φ = 18833532060.

The previous prime is 18833532049. The next prime is 18833532119. The reversal of 18833532061 is 16023533881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18630612036 + 202920025 = 136494^2 + 14245^2 .

It is a cyclic number.

It is not a de Polignac number, because 18833532061 - 2⁷ = 18833531933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18833532001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9416766030 + 9416766031.

It is an arithmetic number, because the mean of its divisors is an integer number (9416766031).

Almost surely, 2^18833532061 is an apocalyptic number.

It is an amenable number.

18833532061 is a deficient number, since it is larger than the sum of its proper divisors (1).

18833532061 is an equidigital number, since it uses as much as digits as its factorization.

18833532061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 18833532061 in words is "eighteen billion, eight hundred thirty-three million, five hundred thirty-two thousand, sixty-one".