463401820399 has 4 divisors (see below), whose sum is σ = 529602080464. Its totient is φ = 397201560336.

The previous prime is 463401820379. The next prime is 463401820459. The reversal of 463401820399 is 993028104364.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 463401820399 - 2³³ = 454811885807 is a prime.

It is a super-3 number, since 3×463401820399³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463401820379) 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 3 ways as a sum of consecutive naturals, for example, 33100130022 + ... + 33100130035.

It is an arithmetic number, because the mean of its divisors is an integer number (132400520116).

Almost surely, 2^463401820399 is an apocalyptic number.

463401820399 is a deficient number, since it is larger than the sum of its proper divisors (66200260065).

463401820399 is an equidigital number, since it uses as much as digits as its factorization.

463401820399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66200260064.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 463401820399 in words is "four hundred sixty-three billion, four hundred one million, eight hundred twenty thousand, three hundred ninety-nine".