4421813629 has 8 divisors (see below), whose sum is σ = 4479515712. Its totient is φ = 4364217120.

The previous prime is 4421813609. The next prime is 4421813639. The reversal of 4421813629 is 9263181244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4421813629 is a prime.

It is a super-2 number, since 2×4421813629² = 39104871539220299282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4421813591 and 4421813600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421813609) 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, 59737 + ... + 111409.

It is an arithmetic number, because the mean of its divisors is an integer number (559939464).

Almost surely, 2^4421813629 is an apocalyptic number.

It is an amenable number.

4421813629 is a deficient number, since it is larger than the sum of its proper divisors (57702083).

4421813629 is a wasteful number, since it uses less digits than its factorization.

4421813629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52787.

The product of its digits is 82944, while the sum is 40.

The square root of 4421813629 is about 66496.7189340948. The cubic root of 4421813629 is about 1641.3460133776.

The spelling of 4421813629 in words is "four billion, four hundred twenty-one million, eight hundred thirteen thousand, six hundred twenty-nine".