463681909191 has 32 divisors (see below), whose sum is σ = 656794656000. Its totient is φ = 289967408640.

The previous prime is 463681909177. The next prime is 463681909217. The reversal of 463681909191 is 191909186364.

It is not a de Polignac number, because 463681909191 - 2⁶ = 463681909127 is a prime.

It is a super-2 number, since 2×463681909191² (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 (463681909111) 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 31 ways as a sum of consecutive naturals, for example, 48604300 + ... + 48613838.

It is an arithmetic number, because the mean of its divisors is an integer number (20524833000).

Almost surely, 2^463681909191 is an apocalyptic number.

463681909191 is a deficient number, since it is larger than the sum of its proper divisors (193112746809).

463681909191 is a wasteful number, since it uses less digits than its factorization.

463681909191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The spelling of 463681909191 in words is "four hundred sixty-three billion, six hundred eighty-one million, nine hundred nine thousand, one hundred ninety-one".