4509390732838 has 8 divisors (see below), whose sum is σ = 6826141935360. Its totient is φ = 2234010087720.

The previous prime is 4509390732809. The next prime is 4509390732863. The reversal of 4509390732838 is 8382370939054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10342639078 + ... + 10342639513.

It is an arithmetic number, because the mean of its divisors is an integer number (853267741920).

Almost surely, 2^{4509390732838} is an apocalyptic number.

4509390732838 is a deficient number, since it is larger than the sum of its proper divisors (2316751202522).

4509390732838 is a wasteful number, since it uses less digits than its factorization.

4509390732838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685278702.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 4509390732838 in words is "four trillion, five hundred nine billion, three hundred ninety million, seven hundred thirty-two thousand, eight hundred thirty-eight".