5649669465 has 16 divisors (see below), whose sum is σ = 9861241536. Its totient is φ = 2739233600.

The previous prime is 5649669463. The next prime is 5649669499.

5649669465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5649669465 - 2¹ = 5649669463 is a prime.

It is a super-3 number, since 3×5649669465³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5649669399 and 5649669408.

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 15 ways as a sum of consecutive naturals, for example, 17120046 + ... + 17120375.

It is an arithmetic number, because the mean of its divisors is an integer number (616327596).

Almost surely, 2^5649669465 is an apocalyptic number.

5649669465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5649669465 is a deficient number, since it is larger than the sum of its proper divisors (4211572071).

5649669465 is a wasteful number, since it uses less digits than its factorization.

5649669465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34240440.

The product of its digits is 41990400, while the sum is 60.

The square root of 5649669465 is about 75164.2831735925. The cubic root of 5649669465 is about 1781.0427615840.

The spelling of 5649669465 in words is "five billion, six hundred forty-nine million, six hundred sixty-nine thousand, four hundred sixty-five".