5641969506 has 16 divisors (see below), whose sum is σ = 11774545344. Its totient is φ = 1798888784.

The previous prime is 5641969493. The next prime is 5641969523. The reversal of 5641969506 is 6059691465.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 20441781 + ... + 20442056.

It is an arithmetic number, because the mean of its divisors is an integer number (735909084).

Almost surely, 2^5641969506 is an apocalyptic number.

5641969506 is an abundant number, since it is smaller than the sum of its proper divisors (6132575838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5641969506 is a wasteful number, since it uses less digits than its factorization.

5641969506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40883865.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 5641969506 is about 75113.0448457523. The cubic root of 5641969506 is about 1780.2332634167.

The spelling of 5641969506 in words is "five billion, six hundred forty-one million, nine hundred sixty-nine thousand, five hundred six".