4463213261 has 8 divisors (see below), whose sum is σ = 4814336184. Its totient is φ = 4113204480.

The previous prime is 4463213257. The next prime is 4463213323. The reversal of 4463213261 is 1623123644.

It can be written as a sum of positive squares in 4 ways, for example, as 729270025 + 3733943236 = 27005^2 + 61106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4463213261 - 2² = 4463213257 is a prime.

It is a super-2 number, since 2×4463213261² = 39840545226332508242, 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 (4463213231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270200 + ... + 286241.

It is an arithmetic number, because the mean of its divisors is an integer number (601792023).

Almost surely, 2^4463213261 is an apocalyptic number.

It is an amenable number.

4463213261 is a deficient number, since it is larger than the sum of its proper divisors (351122923).

4463213261 is a wasteful number, since it uses less digits than its factorization.

4463213261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557071.

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

The square root of 4463213261 is about 66807.2844905404. The cubic root of 4463213261 is about 1646.4525267265.

The spelling of 4463213261 in words is "four billion, four hundred sixty-three million, two hundred thirteen thousand, two hundred sixty-one".