538687050172 has 12 divisors (see below), whose sum is σ = 942731809936. Its totient is φ = 269335104480.

The previous prime is 538687050151. The next prime is 538687050179. The reversal of 538687050172 is 271050786835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538687050179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960104 + ... + 2217967.

Almost surely, 2^538687050172 is an apocalyptic number.

It is an amenable number.

538687050172 is a deficient number, since it is larger than the sum of its proper divisors (404044759764).

538687050172 is a wasteful number, since it uses less digits than its factorization.

538687050172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210308 (or 4210306 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 538687050172 in words is "five hundred thirty-eight billion, six hundred eighty-seven million, fifty thousand, one hundred seventy-two".