473849691591 has 16 divisors (see below), whose sum is σ = 657819334368. Its totient is φ = 303142540800.

The previous prime is 473849691589. The next prime is 473849691611. The reversal of 473849691591 is 195196948374.

It is not a de Polignac number, because 473849691591 - 2¹ = 473849691589 is a prime.

It is a super-2 number, since 2×473849691591² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473849691191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31569846 + ... + 31584851.

It is an arithmetic number, because the mean of its divisors is an integer number (41113708398).

Almost surely, 2^473849691591 is an apocalyptic number.

473849691591 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

473849691591 is a deficient number, since it is larger than the sum of its proper divisors (183969642777).

473849691591 is a wasteful number, since it uses less digits than its factorization.

473849691591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63154802.

The product of its digits is 58786560, while the sum is 66.

The spelling of 473849691591 in words is "four hundred seventy-three billion, eight hundred forty-nine million, six hundred ninety-one thousand, five hundred ninety-one".