4591689448 has 16 divisors (see below), whose sum is σ = 8619476580. Its totient is φ = 2293162368.

The previous prime is 4591689439. The next prime is 4591689461. The reversal of 4591689448 is 8449861954.

It can be written as a sum of positive squares in 2 ways, for example, as 4042162084 + 549527364 = 63578^2 + 23442^2 .

It is a super-2 number, since 2×4591689448² = 42167223973749089408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4591689392 and 4591689401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328011 + ... + 341722.

Almost surely, 2^4591689448 is an apocalyptic number.

It is an amenable number.

4591689448 is a deficient number, since it is larger than the sum of its proper divisors (4027787132).

4591689448 is a wasteful number, since it uses less digits than its factorization.

4591689448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670596 (or 670592 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 58.

The square root of 4591689448 is about 67762.0059325283. The cubic root of 4591689448 is about 1662.1013510251.

The spelling of 4591689448 in words is "four billion, five hundred ninety-one million, six hundred eighty-nine thousand, four hundred forty-eight".