5405649669 has 48 divisors (see below), whose sum is σ = 9532607040. Its totient is φ = 3017075040.

The previous prime is 5405649649. The next prime is 5405649671. The reversal of 5405649669 is 9669465045.

5405649669 is a `hidden beast` number, since 5 + 40 + 56 + 496 + 69 = 666.

It is not a de Polignac number, because 5405649669 - 2⁵ = 5405649637 is a prime.

It is a super-2 number, since 2×5405649669² = 58442096687919619122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405649649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9379 + ... + 104399.

It is an arithmetic number, because the mean of its divisors is an integer number (198595980).

Almost surely, 2^5405649669 is an apocalyptic number.

It is an amenable number.

5405649669 is a deficient number, since it is larger than the sum of its proper divisors (4126957371).

5405649669 is a wasteful number, since it uses less digits than its factorization.

5405649669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95087 (or 95074 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The square root of 5405649669 is about 73523.1233626537. The cubic root of 5405649669 is about 1755.0222716145.

The spelling of 5405649669 in words is "five billion, four hundred five million, six hundred forty-nine thousand, six hundred sixty-nine".