4535381997 has 16 divisors (see below), whose sum is σ = 6724958080. Its totient is φ = 3020944896.

The previous prime is 4535381989. The next prime is 4535382037. The reversal of 4535381997 is 7991835354.

4535381997 is a `hidden beast` number, since 4 + 5 + 3 + 538 + 19 + 97 = 666.

It is not a de Polignac number, because 4535381997 - 2³ = 4535381989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4535381297) 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 in 15 ways as a sum of consecutive naturals, for example, 41713 + ... + 103974.

It is an arithmetic number, because the mean of its divisors is an integer number (420309880).

Almost surely, 2^4535381997 is an apocalyptic number.

It is an amenable number.

4535381997 is a deficient number, since it is larger than the sum of its proper divisors (2189576083).

4535381997 is a wasteful number, since it uses less digits than its factorization.

4535381997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146849 (or 146843 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 4535381997 is about 67345.2447987235. The cubic root of 4535381997 is about 1655.2793250149.

It can be divided in two parts, 453538 and 1997, that added together give a triangular number (455535 = T₉₅₄).

The spelling of 4535381997 in words is "four billion, five hundred thirty-five million, three hundred eighty-one thousand, nine hundred ninety-seven".