5498637779 has 4 divisors (see below), whose sum is σ = 5499110280. Its totient is φ = 5498165280.

The previous prime is 5498637773. The next prime is 5498637787. The reversal of 5498637779 is 9777368945.

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

It is a cyclic number.

It is not a de Polignac number, because 5498637779 - 2⁴ = 5498637763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5498637773) 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, 218342 + ... + 242219.

It is an arithmetic number, because the mean of its divisors is an integer number (1374777570).

Almost surely, 2^5498637779 is an apocalyptic number.

5498637779 is a deficient number, since it is larger than the sum of its proper divisors (472501).

5498637779 is a wasteful number, since it uses less digits than its factorization.

5498637779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472500.

The product of its digits is 80015040, while the sum is 65.

The square root of 5498637779 is about 74152.8002101067. The cubic root of 5498637779 is about 1765.0284248834.

The spelling of 5498637779 in words is "five billion, four hundred ninety-eight million, six hundred thirty-seven thousand, seven hundred seventy-nine".