5969881945 has 8 divisors (see below), whose sum is σ = 7164977544. Its totient is φ = 4775159424.

The previous prime is 5969881927. The next prime is 5969881969. The reversal of 5969881945 is 5491889695.

It can be written as a sum of positive squares in 4 ways, for example, as 727542729 + 5242339216 = 26973^2 + 72404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5969881945 - 2¹⁹ = 5969357657 is a prime.

It is a Duffinian 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, 56764 + ... + 123133.

It is an arithmetic number, because the mean of its divisors is an integer number (895622193).

Almost surely, 2^5969881945 is an apocalyptic number.

It is an amenable number.

5969881945 is a deficient number, since it is larger than the sum of its proper divisors (1195095599).

5969881945 is a wasteful number, since it uses less digits than its factorization.

5969881945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186539.

The product of its digits is 27993600, while the sum is 64.

The square root of 5969881945 is about 77265.0111305240. The cubic root of 5969881945 is about 1814.0750391273.

The spelling of 5969881945 in words is "five billion, nine hundred sixty-nine million, eight hundred eighty-one thousand, nine hundred forty-five".