3641221463 has 16 divisors (see below), whose sum is σ = 4040016000. Its totient is φ = 3253932000.

The previous prime is 3641221457. The next prime is 3641221477.

3641221463 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3641221463 - 2¹⁶ = 3641155927 is a prime.

It is a super-2 number, since 2×3641221463² = 26516987485223720738, which contains 22 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 (3641221453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362813 + ... + 372713.

It is an arithmetic number, because the mean of its divisors is an integer number (252501000).

Almost surely, 2^3641221463 is an apocalyptic number.

3641221463 is a deficient number, since it is larger than the sum of its proper divisors (398794537).

3641221463 is a wasteful number, since it uses less digits than its factorization.

3641221463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478.

The product of its digits is 20736, while the sum is 32.

The square root of 3641221463 is about 60342.5344429615. The cubic root of 3641221463 is about 1538.4463815309.

It can be divided in two parts, 36412 and 21463, that added together give a palindrome (57875).

The spelling of 3641221463 in words is "three billion, six hundred forty-one million, two hundred twenty-one thousand, four hundred sixty-three".