4661447494 has 32 divisors (see below), whose sum is σ = 7968844800. Its totient is φ = 2025760800.

The previous prime is 4661447491. The next prime is 4661447503. The reversal of 4661447494 is 4947441664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661447491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15432 + ... + 97780.

It is an arithmetic number, because the mean of its divisors is an integer number (249026400).

Almost surely, 2^4661447494 is an apocalyptic number.

4661447494 is a deficient number, since it is larger than the sum of its proper divisors (3307397306).

4661447494 is a wasteful number, since it uses less digits than its factorization.

4661447494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82476.

The product of its digits is 2322432, while the sum is 49.

The square root of 4661447494 is about 68274.7939872395. The cubic root of 4661447494 is about 1670.4760967030.

The spelling of 4661447494 in words is "four billion, six hundred sixty-one million, four hundred forty-seven thousand, four hundred ninety-four".