2113532947 has 8 divisors (see below), whose sum is σ = 2178249920. Its totient is φ = 2049523560.

The previous prime is 2113532923. The next prime is 2113532959. The reversal of 2113532947 is 7492353112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113532947 - 2²³ = 2105144339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113532917) 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, 170829 + ... + 182782.

It is an arithmetic number, because the mean of its divisors is an integer number (272281240).

Almost surely, 2^2113532947 is an apocalyptic number.

2113532947 is a deficient number, since it is larger than the sum of its proper divisors (64716973).

2113532947 is a wasteful number, since it uses less digits than its factorization.

2113532947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353793.

The product of its digits is 45360, while the sum is 37.

The square root of 2113532947 is about 45973.1763858013. The cubic root of 2113532947 is about 1283.3240723381.

The spelling of 2113532947 in words is "two billion, one hundred thirteen million, five hundred thirty-two thousand, nine hundred forty-seven".