4998951389 has 2 divisors, whose sum is σ = 4998951390. Its totient is φ = 4998951388.

The previous prime is 4998951329. The next prime is 4998951409. The reversal of 4998951389 is 9831598994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4363659364 + 635292025 = 66058^2 + 25205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4998951389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4998951329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499475694 + 2499475695.

It is an arithmetic number, because the mean of its divisors is an integer number (2499475695).

Almost surely, 2^4998951389 is an apocalyptic number.

It is an amenable number.

4998951389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998951389 is an equidigital number, since it uses as much as digits as its factorization.

4998951389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 65.

The square root of 4998951389 is about 70703.2629303627. The cubic root of 4998951389 is about 1709.8563983465.

The spelling of 4998951389 in words is "four billion, nine hundred ninety-eight million, nine hundred fifty-one thousand, three hundred eighty-nine".