4537857812 has 12 divisors (see below), whose sum is σ = 7942523316. Its totient is φ = 2268565440.

The previous prime is 4537857809. The next prime is 4537857823. The reversal of 4537857812 is 2187587354.

It can be written as a sum of positive squares in 2 ways, for example, as 2112689296 + 2425168516 = 45964^2 + 49246^2 .

It is a congruent number.

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, 61739 + ... + 113522.

It is an arithmetic number, because the mean of its divisors is an integer number (661876943).

Almost surely, 2^4537857812 is an apocalyptic number.

It is an amenable number.

4537857812 is a deficient number, since it is larger than the sum of its proper divisors (3404665504).

4537857812 is a wasteful number, since it uses less digits than its factorization.

4537857812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181738 (or 181736 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 50.

The square root of 4537857812 is about 67363.6238039493. The cubic root of 4537857812 is about 1655.5804697987.

The spelling of 4537857812 in words is "four billion, five hundred thirty-seven million, eight hundred fifty-seven thousand, eight hundred twelve".