406191127253 has 2 divisors, whose sum is σ = 406191127254. Its totient is φ = 406191127252.

The previous prime is 406191127211. The next prime is 406191127271. The reversal of 406191127253 is 352721191604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401907817444 + 4283309809 = 633962^2 + 65447^2 .

It is a cyclic number.

It is not a de Polignac number, because 406191127253 - 2²⁴ = 406174350037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 406191127253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406191127273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203095563626 + 203095563627.

It is an arithmetic number, because the mean of its divisors is an integer number (203095563627).

Almost surely, 2^406191127253 is an apocalyptic number.

It is an amenable number.

406191127253 is a deficient number, since it is larger than the sum of its proper divisors (1).

406191127253 is an equidigital number, since it uses as much as digits as its factorization.

406191127253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 406191127253 in words is "four hundred six billion, one hundred ninety-one million, one hundred twenty-seven thousand, two hundred fifty-three".