5649669466 has 48 divisors (see below), whose sum is σ = 10507489344. Its totient is φ = 2222865792.

The previous prime is 5649669463. The next prime is 5649669499. The reversal of 5649669466 is 6649669465.

It is not an unprimeable number, because it can be changed into a prime (5649669463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7603491 + ... + 7604233.

It is an arithmetic number, because the mean of its divisors is an integer number (218906028).

Almost surely, 2^5649669466 is an apocalyptic number.

5649669466 is a deficient number, since it is larger than the sum of its proper divisors (4857819878).

5649669466 is an equidigital number, since it uses as much as digits as its factorization.

5649669466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 812 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 61.

The square root of 5649669466 is about 75164.2831802446. The cubic root of 5649669466 is about 1781.0427616891.

Subtracting 5649669466 from its reverse (6649669465), we obtain a palindrome (999999999).

The spelling of 5649669466 in words is "five billion, six hundred forty-nine million, six hundred sixty-nine thousand, four hundred sixty-six".