4534432391 has 2 divisors, whose sum is σ = 4534432392. Its totient is φ = 4534432390.

The previous prime is 4534432381. The next prime is 4534432447. The reversal of 4534432391 is 1932344354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4534432391 - 2¹⁸ = 4534170247 is a prime.

It is a super-2 number, since 2×4534432391² = 41122154217099953762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4534432361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267216195 + 2267216196.

It is an arithmetic number, because the mean of its divisors is an integer number (2267216196).

Almost surely, 2^4534432391 is an apocalyptic number.

4534432391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4534432391 is an equidigital number, since it uses as much as digits as its factorization.

4534432391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 4534432391 is about 67338.1941471554. The cubic root of 4534432391 is about 1655.1637909837.

The spelling of 4534432391 in words is "four billion, five hundred thirty-four million, four hundred thirty-two thousand, three hundred ninety-one".