5681033513 has 4 divisors (see below), whose sum is σ = 5819595348. Its totient is φ = 5542471680.

The previous prime is 5681033489. The next prime is 5681033563. The reversal of 5681033513 is 3153301865.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1017099664 + 4663933849 = 31892^2 + 68293^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681033513 - 2¹⁴ = 5681017129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5681033563) 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, 69280856 + ... + 69280937.

It is an arithmetic number, because the mean of its divisors is an integer number (1454898837).

Almost surely, 2^5681033513 is an apocalyptic number.

It is an amenable number.

5681033513 is a deficient number, since it is larger than the sum of its proper divisors (138561835).

5681033513 is a wasteful number, since it uses less digits than its factorization.

5681033513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138561834.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 5681033513 is about 75372.6310606178. The cubic root of 5681033513 is about 1784.3324914052.

The spelling of 5681033513 in words is "five billion, six hundred eighty-one million, thirty-three thousand, five hundred thirteen".