4621909619 has 8 divisors (see below), whose sum is σ = 4910639040. Its totient is φ = 4337727336.

The previous prime is 4621909601. The next prime is 4621909651. The reversal of 4621909619 is 9169091264.

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 4621909619 - 2¹⁶ = 4621844083 is a prime.

It is a super-2 number, since 2×4621909619² = 42724097052409450322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4621009619) 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, 1134689 + ... + 1138754.

It is an arithmetic number, because the mean of its divisors is an integer number (613829880).

Almost surely, 2^4621909619 is an apocalyptic number.

4621909619 is a deficient number, since it is larger than the sum of its proper divisors (288729421).

4621909619 is a wasteful number, since it uses less digits than its factorization.

4621909619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273569.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 4621909619 is about 67984.6278139404. The cubic root of 4621909619 is about 1665.7397499820.

The spelling of 4621909619 in words is "four billion, six hundred twenty-one million, nine hundred nine thousand, six hundred nineteen".