472772367016891 has 2 divisors, whose sum is σ = 472772367016892. Its totient is φ = 472772367016890.

The previous prime is 472772367016867. The next prime is 472772367017009. The reversal of 472772367016891 is 198610763277274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472772367016891 - 2¹⁵ = 472772366984123 is a prime.

It is a super-2 number, since 2×472772367016891² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472772367016891.

It is not a weakly prime, because it can be changed into another prime (472772367046891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236386183508445 + 236386183508446.

It is an arithmetic number, because the mean of its divisors is an integer number (236386183508446).

Almost surely, 2^{472772367016891} is an apocalyptic number.

472772367016891 is a deficient number, since it is larger than the sum of its proper divisors (1).

472772367016891 is an equidigital number, since it uses as much as digits as its factorization.

472772367016891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 298722816, while the sum is 70.

The spelling of 472772367016891 in words is "four hundred seventy-two trillion, seven hundred seventy-two billion, three hundred sixty-seven million, sixteen thousand, eight hundred ninety-one".