4521351612 has 24 divisors (see below), whose sum is σ = 10890138112. Its totient is φ = 1458500400.

The previous prime is 4521351599. The next prime is 4521351623. The reversal of 4521351612 is 2161531254.

It is a self number, because there is not a number n which added to its sum of digits gives 4521351612.

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 7 ways as a sum of consecutive naturals, for example, 6076714 + ... + 6077457.

Almost surely, 2^4521351612 is an apocalyptic number.

It is an amenable number.

4521351612 is an abundant number, since it is smaller than the sum of its proper divisors (6368786500).

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

4521351612 is a wasteful number, since it uses less digits than its factorization.

4521351612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12154209 (or 12154207 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 4521351612 is about 67240.9965125443. The cubic root of 4521351612 is about 1653.5706710134.

Adding to 4521351612 its reverse (2161531254), we get a palindrome (6682882866).

The spelling of 4521351612 in words is "four billion, five hundred twenty-one million, three hundred fifty-one thousand, six hundred twelve".