402121043183 has 2 divisors, whose sum is σ = 402121043184. Its totient is φ = 402121043182.

The previous prime is 402121043117. The next prime is 402121043213. The reversal of 402121043183 is 381340121204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402121043183 - 2¹⁸ = 402120781039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402121043383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201060521591 + 201060521592.

It is an arithmetic number, because the mean of its divisors is an integer number (201060521592).

Almost surely, 2^402121043183 is an apocalyptic number.

402121043183 is a deficient number, since it is larger than the sum of its proper divisors (1).

402121043183 is an equidigital number, since it uses as much as digits as its factorization.

402121043183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 402121043183 its reverse (381340121204), we get a palindrome (783461164387).

The spelling of 402121043183 in words is "four hundred two billion, one hundred twenty-one million, forty-three thousand, one hundred eighty-three".