538149712 has 10 divisors (see below), whose sum is σ = 1042665098. Its totient is φ = 269074848.

The previous prime is 538149697. The next prime is 538149713. The reversal of 538149712 is 217941835.

It can be written as a sum of positive squares in only one way, i.e., 481539136 + 56610576 = 21944^2 + 7524^2 .

It is a super-2 number, since 2×538149712² = 579210225051365888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538149713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16817163 + ... + 16817194.

Almost surely, 2^538149712 is an apocalyptic number.

It is an amenable number.

538149712 is a deficient number, since it is larger than the sum of its proper divisors (504515386).

538149712 is a wasteful number, since it uses less digits than its factorization.

538149712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33634365 (or 33634359 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 538149712 is about 23198.0540563212. The cubic root of 538149712 is about 813.3941365156.

The spelling of 538149712 in words is "five hundred thirty-eight million, one hundred forty-nine thousand, seven hundred twelve".