406131442363 has 2 divisors, whose sum is σ = 406131442364. Its totient is φ = 406131442362.

The previous prime is 406131442361. The next prime is 406131442403. The reversal of 406131442363 is 363244131604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406131442363 - 2¹ = 406131442361 is a prime.

Together with 406131442361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (406131442361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203065721181 + 203065721182.

It is an arithmetic number, because the mean of its divisors is an integer number (203065721182).

Almost surely, 2^406131442363 is an apocalyptic number.

406131442363 is a deficient number, since it is larger than the sum of its proper divisors (1).

406131442363 is an equidigital number, since it uses as much as digits as its factorization.

406131442363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 406131442363 its reverse (363244131604), we get a palindrome (769375573967).

The spelling of 406131442363 in words is "four hundred six billion, one hundred thirty-one million, four hundred forty-two thousand, three hundred sixty-three".