53738649818 has 8 divisors (see below), whose sum is σ = 92123399712. Its totient is φ = 23030849916.

The previous prime is 53738649787. The next prime is 53738649827. The reversal of 53738649818 is 81894683735.

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

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, 1919237480 + ... + 1919237507.

It is an arithmetic number, because the mean of its divisors is an integer number (11515424964).

Almost surely, 2^53738649818 is an apocalyptic number.

53738649818 is a deficient number, since it is larger than the sum of its proper divisors (38384749894).

53738649818 is a wasteful number, since it uses less digits than its factorization.

53738649818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838474996.

The product of its digits is 34836480, while the sum is 62.

The spelling of 53738649818 in words is "fifty-three billion, seven hundred thirty-eight million, six hundred forty-nine thousand, eight hundred eighteen".