4989020693 has 2 divisors, whose sum is σ = 4989020694. Its totient is φ = 4989020692.

The previous prime is 4989020683. The next prime is 4989020711. The reversal of 4989020693 is 3960209894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4989020689 + 4 = 70633^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 4989020693 - 2¹² = 4989016597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4989020683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494510346 + 2494510347.

It is an arithmetic number, because the mean of its divisors is an integer number (2494510347).

Almost surely, 2^4989020693 is an apocalyptic number.

It is an amenable number.

4989020693 is a deficient number, since it is larger than the sum of its proper divisors (1).

4989020693 is an equidigital number, since it uses as much as digits as its factorization.

4989020693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 4989020693 is about 70633.0000283154. Note that the first 4 decimals coincide. The cubic root of 4989020693 is about 1708.7234060349.

The spelling of 4989020693 in words is "four billion, nine hundred eighty-nine million, twenty thousand, six hundred ninety-three".