5581697929 has 2 divisors, whose sum is σ = 5581697930. Its totient is φ = 5581697928.

The previous prime is 5581697899. The next prime is 5581697987. The reversal of 5581697929 is 9297961855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3834457929 + 1747240000 = 61923^2 + 41800^2 .

It is a cyclic number.

It is not a de Polignac number, because 5581697929 - 2⁵ = 5581697897 is a prime.

It is not a weakly prime, because it can be changed into another prime (5581697999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790848964 + 2790848965.

It is an arithmetic number, because the mean of its divisors is an integer number (2790848965).

Almost surely, 2^5581697929 is an apocalyptic number.

It is an amenable number.

5581697929 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581697929 is an equidigital number, since it uses as much as digits as its factorization.

5581697929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 61.

The square root of 5581697929 is about 74710.7618017645. The cubic root of 5581697929 is about 1773.8713108999.

The spelling of 5581697929 in words is "five billion, five hundred eighty-one million, six hundred ninety-seven thousand, nine hundred twenty-nine".