4561899148 has 24 divisors (see below), whose sum is σ = 8156498112. Its totient is φ = 2231510784.

The previous prime is 4561899073. The next prime is 4561899151. The reversal of 4561899148 is 8419981654.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869140 + ... + 874372.

It is an arithmetic number, because the mean of its divisors is an integer number (339854088).

Almost surely, 2^4561899148 is an apocalyptic number.

It is an amenable number.

4561899148 is a deficient number, since it is larger than the sum of its proper divisors (3594598964).

4561899148 is a wasteful number, since it uses less digits than its factorization.

4561899148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921 (or 9919 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 4561899148 is about 67541.8325780401. The cubic root of 4561899148 is about 1658.4990482603.

The spelling of 4561899148 in words is "four billion, five hundred sixty-one million, eight hundred ninety-nine thousand, one hundred forty-eight".