5432031991 has 2 divisors, whose sum is σ = 5432031992. Its totient is φ = 5432031990.

The previous prime is 5432031953. The next prime is 5432032007. The reversal of 5432031991 is 1991302345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5432031991 - 2¹³ = 5432023799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5432031991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5432031931) 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, 2716015995 + 2716015996.

It is an arithmetic number, because the mean of its divisors is an integer number (2716015996).

Almost surely, 2^5432031991 is an apocalyptic number.

5432031991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5432031991 is an equidigital number, since it uses as much as digits as its factorization.

5432031991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 5432031991 is about 73702.3201195186. The cubic root of 5432031991 is about 1757.8727733443.

The spelling of 5432031991 in words is "five billion, four hundred thirty-two million, thirty-one thousand, nine hundred ninety-one".