400182019933 has 2 divisors, whose sum is σ = 400182019934. Its totient is φ = 400182019932.

The previous prime is 400182019921. The next prime is 400182020083. The reversal of 400182019933 is 339910281004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347041166404 + 53140853529 = 589102^2 + 230523^2 .

It is a cyclic number.

It is not a de Polignac number, because 400182019933 - 2²⁹ = 399645149021 is a prime.

It is a super-4 number, since 4×400182019933⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400182019903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200091009966 + 200091009967.

It is an arithmetic number, because the mean of its divisors is an integer number (200091009967).

Almost surely, 2^400182019933 is an apocalyptic number.

It is an amenable number.

400182019933 is a deficient number, since it is larger than the sum of its proper divisors (1).

400182019933 is an equidigital number, since it uses as much as digits as its factorization.

400182019933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 400182019933 in words is "four hundred billion, one hundred eighty-two million, nineteen thousand, nine hundred thirty-three".