4985939490 has 128 divisors (see below), whose sum is σ = 13982740992. Its totient is φ = 1114214400.

The previous prime is 4985939489. The next prime is 4985939509. The reversal of 4985939490 is 949395894.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4150890 + ... + 4152090.

It is an arithmetic number, because the mean of its divisors is an integer number (109240164).

Almost surely, 2^4985939490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4985939490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6991370496).

4985939490 is an abundant number, since it is smaller than the sum of its proper divisors (8996801502).

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

4985939490 is a wasteful number, since it uses less digits than its factorization.

4985939490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 12597120, while the sum is 60.

The square root of 4985939490 is about 70611.1853037463. The cubic root of 4985939490 is about 1708.3715662486.

The spelling of 4985939490 in words is "four billion, nine hundred eighty-five million, nine hundred thirty-nine thousand, four hundred ninety".