473849691647 has 2 divisors, whose sum is σ = 473849691648. Its totient is φ = 473849691646.

The previous prime is 473849691643. The next prime is 473849691659. The reversal of 473849691647 is 746196948374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 473849691647 - 2² = 473849691643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473849691643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236924845823 + 236924845824.

It is an arithmetic number, because the mean of its divisors is an integer number (236924845824).

Almost surely, 2^473849691647 is an apocalyptic number.

473849691647 is a deficient number, since it is larger than the sum of its proper divisors (1).

473849691647 is an equidigital number, since it uses as much as digits as its factorization.

473849691647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 219469824, while the sum is 68.

The spelling of 473849691647 in words is "four hundred seventy-three billion, eight hundred forty-nine million, six hundred ninety-one thousand, six hundred forty-seven".