4145773646 has 16 divisors (see below), whose sum is σ = 7525102176. Its totient is φ = 1672244736.

The previous prime is 4145773633. The next prime is 4145773657. The reversal of 4145773646 is 6463775414.

It is a self number, because there is not a number n which added to its sum of digits gives 4145773646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8709371 + ... + 8709846.

It is an arithmetic number, because the mean of its divisors is an integer number (470318886).

Almost surely, 2^4145773646 is an apocalyptic number.

4145773646 is a deficient number, since it is larger than the sum of its proper divisors (3379328530).

4145773646 is a wasteful number, since it uses less digits than its factorization.

4145773646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17419243.

The product of its digits is 1693440, while the sum is 47.

The square root of 4145773646 is about 64387.6824089825. The cubic root of 4145773646 is about 1606.4548676481.

The spelling of 4145773646 in words is "four billion, one hundred forty-five million, seven hundred seventy-three thousand, six hundred forty-six".