5436921806 has 32 divisors (see below), whose sum is σ = 8498020608. Its totient is φ = 2606970240.

The previous prime is 5436921797. The next prime is 5436921817. The reversal of 5436921806 is 6081296345.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189766 + ... + 1194326.

It is an arithmetic number, because the mean of its divisors is an integer number (265563144).

Almost surely, 2^5436921806 is an apocalyptic number.

5436921806 is a deficient number, since it is larger than the sum of its proper divisors (3061098802).

5436921806 is a wasteful number, since it uses less digits than its factorization.

5436921806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 5436921806 is about 73735.4853920417. The cubic root of 5436921806 is about 1758.4000833660.

The spelling of 5436921806 in words is "five billion, four hundred thirty-six million, nine hundred twenty-one thousand, eight hundred six".