5538946791 has 8 divisors (see below), whose sum is σ = 8440299904. Its totient is φ = 3165112440.

The previous prime is 5538946789. The next prime is 5538946799. The reversal of 5538946791 is 1976498355.

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

It is not a de Polignac number, because 5538946791 - 2¹ = 5538946789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538946799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131879665 + ... + 131879706.

It is an arithmetic number, because the mean of its divisors is an integer number (1055037488).

Almost surely, 2^5538946791 is an apocalyptic number.

5538946791 is a deficient number, since it is larger than the sum of its proper divisors (2901353113).

5538946791 is a wasteful number, since it uses less digits than its factorization.

5538946791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263759381.

The product of its digits is 8164800, while the sum is 57.

The square root of 5538946791 is about 74424.1008746495. The cubic root of 5538946791 is about 1769.3309089665.

The spelling of 5538946791 in words is "five billion, five hundred thirty-eight million, nine hundred forty-six thousand, seven hundred ninety-one".