463144221434 has 4 divisors (see below), whose sum is σ = 694716332154. Its totient is φ = 231572110716.

The previous prime is 463144221391. The next prime is 463144221517. The reversal of 463144221434 is 434122441364.

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

It can be written as a sum of positive squares in only one way, i.e., 455755959409 + 7388262025 = 675097^2 + 85955^2 .

It is a super-3 number, since 3×463144221434³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115786055357 + ... + 115786055360.

Almost surely, 2^463144221434 is an apocalyptic number.

463144221434 is a deficient number, since it is larger than the sum of its proper divisors (231572110720).

463144221434 is a wasteful number, since it uses less digits than its factorization.

463144221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231572110719.

The product of its digits is 221184, while the sum is 38.

Adding to 463144221434 its reverse (434122441364), we get a palindrome (897266662798).

The spelling of 463144221434 in words is "four hundred sixty-three billion, one hundred forty-four million, two hundred twenty-one thousand, four hundred thirty-four".