5538018049 has 2 divisors, whose sum is σ = 5538018050. Its totient is φ = 5538018048.

The previous prime is 5538018043. The next prime is 5538018077. The reversal of 5538018049 is 9408108355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3515897025 + 2022121024 = 59295^2 + 44968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5538018049 is a prime.

It is a super-2 number, since 2×5538018049² = 61339287822099532802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5538017996 and 5538018014.

It is not a weakly prime, because it can be changed into another prime (5538018043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769009024 + 2769009025.

It is an arithmetic number, because the mean of its divisors is an integer number (2769009025).

Almost surely, 2^5538018049 is an apocalyptic number.

It is an amenable number.

5538018049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5538018049 is an equidigital number, since it uses as much as digits as its factorization.

5538018049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 5538018049 is about 74417.8610885854. The cubic root of 5538018049 is about 1769.2320126816.

The spelling of 5538018049 in words is "five billion, five hundred thirty-eight million, eighteen thousand, forty-nine".