5291821954 has 16 divisors (see below), whose sum is σ = 8201283840. Its totient is φ = 2558216880.

The previous prime is 5291821943. The next prime is 5291821963. The reversal of 5291821954 is 4591281925.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30277 + ... + 107239.

It is an arithmetic number, because the mean of its divisors is an integer number (512580240).

Almost surely, 2^5291821954 is an apocalyptic number.

5291821954 is a deficient number, since it is larger than the sum of its proper divisors (2909461886).

5291821954 is a wasteful number, since it uses less digits than its factorization.

5291821954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78105.

The product of its digits is 259200, while the sum is 46.

The square root of 5291821954 is about 72744.9101587183. The cubic root of 5291821954 is about 1742.6161765569.

The spelling of 5291821954 in words is "five billion, two hundred ninety-one million, eight hundred twenty-one thousand, nine hundred fifty-four".