5513186947 has 4 divisors (see below), whose sum is σ = 5513342760. Its totient is φ = 5513031136.

The previous prime is 5513186941. The next prime is 5513186951. The reversal of 5513186947 is 7496813155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5513186947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5513186947.

It is not an unprimeable number, because it can be changed into a prime (5513186941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579 + ... + 105067.

It is an arithmetic number, because the mean of its divisors is an integer number (1378335690).

Almost surely, 2^5513186947 is an apocalyptic number.

5513186947 is a deficient number, since it is larger than the sum of its proper divisors (155813).

5513186947 is a wasteful number, since it uses less digits than its factorization.

5513186947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155812.

The product of its digits is 907200, while the sum is 49.

The square root of 5513186947 is about 74250.8380222069. The cubic root of 5513186947 is about 1766.5837846050.

The spelling of 5513186947 in words is "five billion, five hundred thirteen million, one hundred eighty-six thousand, nine hundred forty-seven".