472002326891 has 2 divisors, whose sum is σ = 472002326892. Its totient is φ = 472002326890.

The previous prime is 472002326837. The next prime is 472002326933. The reversal of 472002326891 is 198623200274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472002326891 - 2¹⁸ = 472002064747 is a prime.

It is not a weakly prime, because it can be changed into another prime (472002326591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236001163445 + 236001163446.

It is an arithmetic number, because the mean of its divisors is an integer number (236001163446).

Almost surely, 2^472002326891 is an apocalyptic number.

472002326891 is a deficient number, since it is larger than the sum of its proper divisors (1).

472002326891 is an equidigital number, since it uses as much as digits as its factorization.

472002326891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 472002326891 in words is "four hundred seventy-two billion, two million, three hundred twenty-six thousand, eight hundred ninety-one".