5434199991 has 24 divisors (see below), whose sum is σ = 9066689424. Its totient is φ = 3099720960.

The previous prime is 5434199977. The next prime is 5434199993. The reversal of 5434199991 is 1999914345.

It is a happy number.

5434199991 is a `hidden beast` number, since 54 + 3 + 419 + 99 + 91 = 666.

5434199991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5434199991 - 2⁵ = 5434199959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5434199993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612756 + ... + 1616121.

It is an arithmetic number, because the mean of its divisors is an integer number (377778726).

Almost surely, 2^5434199991 is an apocalyptic number.

5434199991 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5434199991 is a deficient number, since it is larger than the sum of its proper divisors (3632489433).

5434199991 is a wasteful number, since it uses less digits than its factorization.

5434199991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228911 (or 3228908 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 5434199991 is about 73717.0264660750. The cubic root of 5434199991 is about 1758.1066061147.

The spelling of 5434199991 in words is "five billion, four hundred thirty-four million, one hundred ninety-nine thousand, nine hundred ninety-one".