4541989478 has 32 divisors (see below), whose sum is σ = 7518196224. Its totient is φ = 2044848672.

The previous prime is 4541989477. The next prime is 4541989481. The reversal of 4541989478 is 8749891454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541989477) 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, 369101 + ... + 381207.

It is an arithmetic number, because the mean of its divisors is an integer number (234943632).

Almost surely, 2^4541989478 is an apocalyptic number.

4541989478 is a deficient number, since it is larger than the sum of its proper divisors (2976206746).

4541989478 is a wasteful number, since it uses less digits than its factorization.

4541989478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12476.

The product of its digits is 11612160, while the sum is 59.

The square root of 4541989478 is about 67394.2837190217. The cubic root of 4541989478 is about 1656.0827795423.

The spelling of 4541989478 in words is "four billion, five hundred forty-one million, nine hundred eighty-nine thousand, four hundred seventy-eight".