5046918989 has 4 divisors (see below), whose sum is σ = 5767907424. Its totient is φ = 4325930556.

The previous prime is 5046918977. The next prime is 5046919001. The reversal of 5046918989 is 9898196405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9898196405 = 5 ⋅1979639281.

It is an interprime number because it is at equal distance from previous prime (5046918977) and next prime (5046919001).

It is a cyclic number.

It is not a de Polignac number, because 5046918989 - 2¹² = 5046914893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5046918949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360494207 + ... + 360494220.

It is an arithmetic number, because the mean of its divisors is an integer number (1441976856).

Almost surely, 2^5046918989 is an apocalyptic number.

It is an amenable number.

5046918989 is a deficient number, since it is larger than the sum of its proper divisors (720988435).

5046918989 is an equidigital number, since it uses as much as digits as its factorization.

5046918989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720988434.

The product of its (nonzero) digits is 5598720, while the sum is 59.

The square root of 5046918989 is about 71041.6707925708. The cubic root of 5046918989 is about 1715.3079925223.

The spelling of 5046918989 in words is "five billion, forty-six million, nine hundred eighteen thousand, nine hundred eighty-nine".