5144571612 has 36 divisors (see below), whose sum is σ = 13355805736. Its totient is φ = 1668509280.

The previous prime is 5144571599. The next prime is 5144571629. The reversal of 5144571612 is 2161754415.

5144571612 is a `hidden beast` number, since 51 + 445 + 7 + 161 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1929814 + ... + 1932477.

Almost surely, 2^5144571612 is an apocalyptic number.

It is an amenable number.

5144571612 is an abundant number, since it is smaller than the sum of its proper divisors (8211234124).

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

5144571612 is a wasteful number, since it uses less digits than its factorization.

5144571612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862338 (or 3862333 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 5144571612 is about 71725.6691289806. The cubic root of 5144571612 is about 1726.3005370662.

The spelling of 5144571612 in words is "five billion, one hundred forty-four million, five hundred seventy-one thousand, six hundred twelve".