4994722478 has 8 divisors (see below), whose sum is σ = 7560818760. Its totient is φ = 2474449560.

The previous prime is 4994722471. The next prime is 4994722487. The reversal of 4994722478 is 8742274994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4994722471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11455568 + ... + 11456003.

It is an arithmetic number, because the mean of its divisors is an integer number (945102345).

Almost surely, 2^4994722478 is an apocalyptic number.

4994722478 is a deficient number, since it is larger than the sum of its proper divisors (2566096282).

4994722478 is a wasteful number, since it uses less digits than its factorization.

4994722478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22911682.

The product of its digits is 8128512, while the sum is 56.

The square root of 4994722478 is about 70673.3505502605. The cubic root of 4994722478 is about 1709.3741058332.

The spelling of 4994722478 in words is "four billion, nine hundred ninety-four million, seven hundred twenty-two thousand, four hundred seventy-eight".