4989780690 has 16 divisors (see below), whose sum is σ = 11975473728. Its totient is φ = 1330608176.

The previous prime is 4989780683. The next prime is 4989780707. The reversal of 4989780690 is 960879894.

It is a super-2 number, since 2×4989780690² = 49795822668593752200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83162982 + ... + 83163041.

It is an arithmetic number, because the mean of its divisors is an integer number (748467108).

Almost surely, 2^4989780690 is an apocalyptic number.

4989780690 is an abundant number, since it is smaller than the sum of its proper divisors (6985693038).

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

4989780690 is a wasteful number, since it uses less digits than its factorization.

4989780690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166326033.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 4989780690 is about 70638.3797237734. The cubic root of 4989780690 is about 1708.8101671320.

The spelling of 4989780690 in words is "four billion, nine hundred eighty-nine million, seven hundred eighty thousand, six hundred ninety".