4591689450 has 96 divisors (see below), whose sum is σ = 11670003072. Its totient is φ = 1194336000.

The previous prime is 4591689439. The next prime is 4591689461. The reversal of 4591689450 is 549861954.

It is an interprime number because it is at equal distance from previous prime (4591689439) and next prime (4591689461).

It is a super-2 number, since 2×4591689450² = 42167224010482605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4591689393 and 4591689402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1437355 + ... + 1440545.

It is an arithmetic number, because the mean of its divisors is an integer number (121562532).

Almost surely, 2^4591689450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4591689450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5835001536).

4591689450 is an abundant number, since it is smaller than the sum of its proper divisors (7078313622).

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

4591689450 is a wasteful number, since it uses less digits than its factorization.

4591689450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440 (or 3435 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 4591689450 is about 67762.0059472858. The cubic root of 4591689450 is about 1662.1013512664.

The spelling of 4591689450 in words is "four billion, five hundred ninety-one million, six hundred eighty-nine thousand, four hundred fifty".