5648669421 has 16 divisors (see below), whose sum is σ = 7605923328. Its totient is φ = 3728634800.

The previous prime is 5648669413. The next prime is 5648669423. The reversal of 5648669421 is 1249668465.

It is a cyclic number.

It is not a de Polignac number, because 5648669421 - 2³ = 5648669413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648669423) 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, 866986 + ... + 873476.

It is an arithmetic number, because the mean of its divisors is an integer number (475370208).

Almost surely, 2^5648669421 is an apocalyptic number.

It is an amenable number.

5648669421 is a deficient number, since it is larger than the sum of its proper divisors (1957253907).

5648669421 is a wasteful number, since it uses less digits than its factorization.

5648669421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312.

The product of its digits is 2488320, while the sum is 51.

The square root of 5648669421 is about 75157.6304908557. The cubic root of 5648669421 is about 1780.9376683426.

The spelling of 5648669421 in words is "five billion, six hundred forty-eight million, six hundred sixty-nine thousand, four hundred twenty-one".