5613435681 has 8 divisors (see below), whose sum is σ = 8553806784. Its totient is φ = 3207677520.

The previous prime is 5613435673. The next prime is 5613435691. The reversal of 5613435681 is 1865343165.

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

It is not a de Polignac number, because 5613435681 - 2³ = 5613435673 is a prime.

It is a super-2 number, since 2×5613435681² = 63021320289447867522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5613435691) 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, 133653210 + ... + 133653251.

It is an arithmetic number, because the mean of its divisors is an integer number (1069225848).

Almost surely, 2^5613435681 is an apocalyptic number.

It is an amenable number.

5613435681 is a deficient number, since it is larger than the sum of its proper divisors (2940371103).

5613435681 is a wasteful number, since it uses less digits than its factorization.

5613435681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267306471.

The product of its digits is 259200, while the sum is 42.

The square root of 5613435681 is about 74922.8648744827. The cubic root of 5613435681 is about 1777.2270590820.

The spelling of 5613435681 in words is "five billion, six hundred thirteen million, four hundred thirty-five thousand, six hundred eighty-one".