472047241891 has 2 divisors, whose sum is σ = 472047241892. Its totient is φ = 472047241890.

The previous prime is 472047241877. The next prime is 472047241909. The reversal of 472047241891 is 198142740274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472047241891 is a prime.

It is not a weakly prime, because it can be changed into another prime (472047244891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236023620945 + 236023620946.

It is an arithmetic number, because the mean of its divisors is an integer number (236023620946).

Almost surely, 2^472047241891 is an apocalyptic number.

472047241891 is a deficient number, since it is larger than the sum of its proper divisors (1).

472047241891 is an equidigital number, since it uses as much as digits as its factorization.

472047241891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 472047241891 in words is "four hundred seventy-two billion, forty-seven million, two hundred forty-one thousand, eight hundred ninety-one".