1538853012 has 24 divisors (see below), whose sum is σ = 3989619200. Its totient is φ = 512950968.

The previous prime is 1538853011. The next prime is 1538853037. The reversal of 1538853012 is 2103588351.

1538853012 is a `hidden beast` number, since 1 + 538 + 85 + 30 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538853011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7124212 + ... + 7124427.

Almost surely, 2^1538853012 is an apocalyptic number.

1538853012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1538853012 is an abundant number, since it is smaller than the sum of its proper divisors (2450766188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1538853012 is a wasteful number, since it uses less digits than its factorization.

1538853012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14248652 (or 14248644 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1538853012 is about 39228.2170382494. The cubic root of 1538853012 is about 1154.5135816511.

The spelling of 1538853012 in words is "one billion, five hundred thirty-eight million, eight hundred fifty-three thousand, twelve".