5541000019 has 2 divisors, whose sum is σ = 5541000020. Its totient is φ = 5541000018.

The previous prime is 5540999993. The next prime is 5541000037. The reversal of 5541000019 is 9100001455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5541000019 - 2⁵ = 5540999987 is a prime.

It is a super-2 number, since 2×5541000019² = 61405362421116000722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5540999957 and 5541000002.

It is not a weakly prime, because it can be changed into another prime (5541000089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770500009 + 2770500010.

It is an arithmetic number, because the mean of its divisors is an integer number (2770500010).

Almost surely, 2^5541000019 is an apocalyptic number.

5541000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5541000019 is an equidigital number, since it uses as much as digits as its factorization.

5541000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 5541000019 is about 74437.8937034089. The cubic root of 5541000019 is about 1769.5495059374.

The spelling of 5541000019 in words is "five billion, five hundred forty-one million, nineteen", and thus it is an aban number.