4994281890 has 48 divisors (see below), whose sum is σ = 13983992568. Its totient is φ = 1229361408.

The previous prime is 4994281889. The next prime is 4994281931. The reversal of 4994281890 is 981824994.

It can be written as a sum of positive squares in 4 ways, for example, as 2632613481 + 2361668409 = 51309^2 + 48597^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2133139 + ... + 2135478.

Almost surely, 2^4994281890 is an apocalyptic number.

4994281890 is an abundant number, since it is smaller than the sum of its proper divisors (8989710678).

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

4994281890 is a wasteful number, since it uses less digits than its factorization.

4994281890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268643 (or 4268640 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 4994281890 is about 70670.2334084160. The cubic root of 4994281890 is about 1709.3238426560.

The spelling of 4994281890 in words is "four billion, nine hundred ninety-four million, two hundred eighty-one thousand, eight hundred ninety".