467621991 has 20 divisors (see below), whose sum is σ = 699209632. Its totient is φ = 311452128.

The previous prime is 467621983. The next prime is 467622019. The reversal of 467621991 is 199126764.

It is not a de Polignac number, because 467621991 - 2³ = 467621983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (467621951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113235 + ... + 117291.

Almost surely, 2^467621991 is an apocalyptic number.

467621991 is a deficient number, since it is larger than the sum of its proper divisors (231587641).

467621991 is a wasteful number, since it uses less digits than its factorization.

467621991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5483 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 467621991 is about 21624.5691517773. The cubic root of 467621991 is about 776.1845173355.

The spelling of 467621991 in words is "four hundred sixty-seven million, six hundred twenty-one thousand, nine hundred ninety-one".