4605338209491 has 32 divisors (see below), whose sum is σ = 6863358028800. Its totient is φ = 3051954378720.

The previous prime is 4605338209471. The next prime is 4605338209513. The reversal of 4605338209491 is 1949028335064.

4605338209491 is a `hidden beast` number, since 4 + 60 + 5 + 338 + 209 + 49 + 1 = 666.

It is not a de Polignac number, because 4605338209491 - 2¹⁸ = 4605337947347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4605338209411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11269030 + ... + 11670548.

It is an arithmetic number, because the mean of its divisors is an integer number (214479938400).

Almost surely, 2^{4605338209491} is an apocalyptic number.

4605338209491 is a deficient number, since it is larger than the sum of its proper divisors (2258019819309).

4605338209491 is a wasteful number, since it uses less digits than its factorization.

4605338209491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404056 (or 404050 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 4605338209491 in words is "four trillion, six hundred five billion, three hundred thirty-eight million, two hundred nine thousand, four hundred ninety-one".