402244132093 has 2 divisors, whose sum is σ = 402244132094. Its totient is φ = 402244132092.

The previous prime is 402244132007. The next prime is 402244132099. The reversal of 402244132093 is 390231442204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290017792089 + 112226340004 = 538533^2 + 335002^2 .

It is a cyclic number.

It is not a de Polignac number, because 402244132093 - 2⁹ = 402244131581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402244132099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201122066046 + 201122066047.

It is an arithmetic number, because the mean of its divisors is an integer number (201122066047).

Almost surely, 2^402244132093 is an apocalyptic number.

It is an amenable number.

402244132093 is a deficient number, since it is larger than the sum of its proper divisors (1).

402244132093 is an equidigital number, since it uses as much as digits as its factorization.

402244132093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 402244132093 its reverse (390231442204), we get a palindrome (792475574297).

The spelling of 402244132093 in words is "four hundred two billion, two hundred forty-four million, one hundred thirty-two thousand, ninety-three".