5409193871 has 2 divisors, whose sum is σ = 5409193872. Its totient is φ = 5409193870.

The previous prime is 5409193831. The next prime is 5409193973. The reversal of 5409193871 is 1783919045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5409193871 - 2¹⁰ = 5409192847 is a prime.

It is a super-4 number, since 4×5409193871⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5409193831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704596935 + 2704596936.

It is an arithmetic number, because the mean of its divisors is an integer number (2704596936).

Almost surely, 2^5409193871 is an apocalyptic number.

5409193871 is a deficient number, since it is larger than the sum of its proper divisors (1).

5409193871 is an equidigital number, since it uses as much as digits as its factorization.

5409193871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 5409193871 is about 73547.2220481508. Note that the first 3 decimals coincide. The cubic root of 5409193871 is about 1755.4057466151.

The spelling of 5409193871 in words is "five billion, four hundred nine million, one hundred ninety-three thousand, eight hundred seventy-one".