4492912646 has 16 divisors (see below), whose sum is σ = 7001093760. Its totient is φ = 2160138240.

The previous prime is 4492912597. The next prime is 4492912651. The reversal of 4492912646 is 6462192944.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4492912646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221051 + ... + 240518.

It is an arithmetic number, because the mean of its divisors is an integer number (437568360).

Almost surely, 2^4492912646 is an apocalyptic number.

4492912646 is a deficient number, since it is larger than the sum of its proper divisors (2508181114).

4492912646 is a wasteful number, since it uses less digits than its factorization.

4492912646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461759.

The product of its digits is 746496, while the sum is 47.

The square root of 4492912646 is about 67029.1924910333. The cubic root of 4492912646 is about 1650.0964309727.

It can be divided in two parts, 44929 and 12646, that added together give a palindrome (57575).

The spelling of 4492912646 in words is "four billion, four hundred ninety-two million, nine hundred twelve thousand, six hundred forty-six".