5405686889 has 2 divisors, whose sum is σ = 5405686890. Its totient is φ = 5405686888.

The previous prime is 5405686883. The next prime is 5405686921. The reversal of 5405686889 is 9886865045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4739634025 + 666052864 = 68845^2 + 25808^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405686889 - 2⁸ = 5405686633 is a prime.

It is not a weakly prime, because it can be changed into another prime (5405686883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702843444 + 2702843445.

It is an arithmetic number, because the mean of its divisors is an integer number (2702843445).

Almost surely, 2^5405686889 is an apocalyptic number.

It is an amenable number.

5405686889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405686889 is an equidigital number, since it uses as much as digits as its factorization.

5405686889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16588800, while the sum is 59.

The square root of 5405686889 is about 73523.3764798652. The cubic root of 5405686889 is about 1755.0262996089.

The spelling of 5405686889 in words is "five billion, four hundred five million, six hundred eighty-six thousand, eight hundred eighty-nine".