5639473911 has 8 divisors (see below), whose sum is σ = 7521144064. Its totient is φ = 3758726520.

The previous prime is 5639473897. The next prime is 5639473933. The reversal of 5639473911 is 1193749365.

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

It is not a de Polignac number, because 5639473911 - 2¹⁰ = 5639472887 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 (5639473811) 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, 216301 + ... + 240966.

It is an arithmetic number, because the mean of its divisors is an integer number (940143008).

Almost surely, 2^5639473911 is an apocalyptic number.

5639473911 is a deficient number, since it is larger than the sum of its proper divisors (1881670153).

5639473911 is a wasteful number, since it uses less digits than its factorization.

5639473911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461381.

The product of its digits is 612360, while the sum is 48.

The square root of 5639473911 is about 75096.4307474064. The cubic root of 5639473911 is about 1779.9707430069.

It can be divided in two parts, 56394 and 73911, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 5639473911 in words is "five billion, six hundred thirty-nine million, four hundred seventy-three thousand, nine hundred eleven".