5646409646 has 16 divisors (see below), whose sum is σ = 8556714720. Its totient is φ = 2794192800.

The previous prime is 5646409627. The next prime is 5646409661. The reversal of 5646409646 is 6469046465.

It is a junction number, because it is equal to n+sod(n) for n = 5646409594 and 5646409603.

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, 998495 + ... + 1004133.

It is an arithmetic number, because the mean of its divisors is an integer number (534794670).

Almost surely, 2^5646409646 is an apocalyptic number.

5646409646 is a deficient number, since it is larger than the sum of its proper divisors (2910305074).

5646409646 is a wasteful number, since it uses less digits than its factorization.

5646409646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The square root of 5646409646 is about 75142.5954169804. The cubic root of 5646409646 is about 1780.7001460217.

The spelling of 5646409646 in words is "five billion, six hundred forty-six million, four hundred nine thousand, six hundred forty-six".