4989946377 has 16 divisors (see below), whose sum is σ = 7213147200. Its totient is φ = 3050123712.

The previous prime is 4989946373. The next prime is 4989946387. The reversal of 4989946377 is 7736499894.

It is not a de Polignac number, because 4989946377 - 2² = 4989946373 is a prime.

It is a super-2 number, since 2×4989946377² = 49799129690670852258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4989946373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423543 + ... + 435164.

It is an arithmetic number, because the mean of its divisors is an integer number (450821700).

Almost surely, 2^4989946377 is an apocalyptic number.

It is an amenable number.

4989946377 is a deficient number, since it is larger than the sum of its proper divisors (2223200823).

4989946377 is a wasteful number, since it uses less digits than its factorization.

4989946377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858872.

The product of its digits is 82301184, while the sum is 66.

The square root of 4989946377 is about 70639.5524971669. The cubic root of 4989946377 is about 1708.8290807552.

The spelling of 4989946377 in words is "four billion, nine hundred eighty-nine million, nine hundred forty-six thousand, three hundred seventy-seven".