4561919688 has 16 divisors (see below), whose sum is σ = 11404799280. Its totient is φ = 1520639888.

The previous prime is 4561919683. The next prime is 4561919711. The reversal of 4561919688 is 8869191654.

It is a super-2 number, since 2×4561919688² = 41622222479524034688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4561919683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95039970 + ... + 95040017.

It is an arithmetic number, because the mean of its divisors is an integer number (712799955).

Almost surely, 2^4561919688 is an apocalyptic number.

It is an amenable number.

4561919688 is an abundant number, since it is smaller than the sum of its proper divisors (6842879592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4561919688 is a wasteful number, since it uses less digits than its factorization.

4561919688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190079996 (or 190079992 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The square root of 4561919688 is about 67541.9846317829. The cubic root of 4561919688 is about 1658.5015373931.

The spelling of 4561919688 in words is "four billion, five hundred sixty-one million, nine hundred nineteen thousand, six hundred eighty-eight".