463521318975 has 432 divisors, whose sum is σ = 1032903327456. Its totient is φ = 195858432000.

The previous prime is 463521318971. The next prime is 463521318979. The reversal of 463521318975 is 579813125364.

It is a happy number.

463521318975 is a `hidden beast` number, since 4 + 6 + 3 + 521 + 31 + 89 + 7 + 5 = 666.

It is a Cunningham number, because it is equal to 680824²-1.

It is an interprime number because it is at equal distance from previous prime (463521318971) and next prime (463521318979).

It is not a de Polignac number, because 463521318975 - 2² = 463521318971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463521318971) 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 431 ways as a sum of consecutive naturals, for example, 1923324855 + ... + 1923325095.

Almost surely, 2^463521318975 is an apocalyptic number.

463521318975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

463521318975 is an abundant number, since it is smaller than the sum of its proper divisors (569382008481).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

463521318975 is a wasteful number, since it uses less digits than its factorization.

463521318975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 409 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 463521318975 in words is "four hundred sixty-three billion, five hundred twenty-one million, three hundred eighteen thousand, nine hundred seventy-five".