5018780149 has 4 divisors (see below), whose sum is σ = 5087530636. Its totient is φ = 4950029664.

The previous prime is 5018780119. The next prime is 5018780167. The reversal of 5018780149 is 9410878105.

It is a happy number.

5018780149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2715452100 + 2303328049 = 52110^2 + 47993^2 .

It is a cyclic number.

It is not a de Polignac number, because 5018780149 - 2¹¹ = 5018778101 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 (5018780119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34375134 + ... + 34375279.

It is an arithmetic number, because the mean of its divisors is an integer number (1271882659).

Almost surely, 2^5018780149 is an apocalyptic number.

It is an amenable number.

5018780149 is a deficient number, since it is larger than the sum of its proper divisors (68750487).

5018780149 is an equidigital number, since it uses as much as digits as its factorization.

5018780149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68750486.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 5018780149 is about 70843.3493632253. The cubic root of 5018780149 is about 1712.1141786903.

The spelling of 5018780149 in words is "five billion, eighteen million, seven hundred eighty thousand, one hundred forty-nine".