4998491311 has 4 divisors (see below), whose sum is σ = 5452899624. Its totient is φ = 4544083000.

The previous prime is 4998491299. The next prime is 4998491327. The reversal of 4998491311 is 1131948994.

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 4998491311 - 2⁵ = 4998491279 is a prime.

It is a super-2 number, since 2×4998491311² = 49969830772284997442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4998494311) 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, 227204140 + ... + 227204161.

It is an arithmetic number, because the mean of its divisors is an integer number (1363224906).

Almost surely, 2^4998491311 is an apocalyptic number.

4998491311 is a deficient number, since it is larger than the sum of its proper divisors (454408313).

4998491311 is a wasteful number, since it uses less digits than its factorization.

4998491311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454408312.

The product of its digits is 279936, while the sum is 49.

The square root of 4998491311 is about 70700.0092715694. The cubic root of 4998491311 is about 1709.8039412486.

The spelling of 4998491311 in words is "four billion, nine hundred ninety-eight million, four hundred ninety-one thousand, three hundred eleven".