463686868191 has 32 divisors (see below), whose sum is σ = 655419921408. Its totient is φ = 291003046400.

The previous prime is 463686868157. The next prime is 463686868243. The reversal of 463686868191 is 191868686364.

It is a cyclic number.

It is not a de Polignac number, because 463686868191 - 2¹⁴ = 463686851807 is a prime.

It is a super-2 number, since 2×463686868191² (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 (463686868591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964615 + ... + 1363031.

It is an arithmetic number, because the mean of its divisors is an integer number (20481872544).

Almost surely, 2^463686868191 is an apocalyptic number.

463686868191 is a deficient number, since it is larger than the sum of its proper divisors (191733053217).

463686868191 is a wasteful number, since it uses less digits than its factorization.

463686868191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398711.

The product of its digits is 71663616, while the sum is 66.

The spelling of 463686868191 in words is "four hundred sixty-three billion, six hundred eighty-six million, eight hundred sixty-eight thousand, one hundred ninety-one".