5681000737 has 2 divisors, whose sum is σ = 5681000738. Its totient is φ = 5681000736.

The previous prime is 5681000707. The next prime is 5681000747. The reversal of 5681000737 is 7370001865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5565309201 + 115691536 = 74601^2 + 10756^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681000737 - 2³¹ = 3533517089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5681000696 and 5681000705.

It is not a weakly prime, because it can be changed into another prime (5681000707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840500368 + 2840500369.

It is an arithmetic number, because the mean of its divisors is an integer number (2840500369).

Almost surely, 2^5681000737 is an apocalyptic number.

It is an amenable number.

5681000737 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681000737 is an equidigital number, since it uses as much as digits as its factorization.

5681000737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 5681000737 is about 75372.4136339019. The cubic root of 5681000737 is about 1784.3290599055.

The spelling of 5681000737 in words is "five billion, six hundred eighty-one million, seven hundred thirty-seven", and thus it is an aban number.