5405128867 has 2 divisors, whose sum is σ = 5405128868. Its totient is φ = 5405128866.

The previous prime is 5405128829. The next prime is 5405128877. The reversal of 5405128867 is 7688215045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5405128867 is a prime.

It is not a weakly prime, because it can be changed into another prime (5405128877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702564433 + 2702564434.

It is an arithmetic number, because the mean of its divisors is an integer number (2702564434).

Almost surely, 2^5405128867 is an apocalyptic number.

5405128867 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405128867 is an equidigital number, since it uses as much as digits as its factorization.

5405128867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 5405128867 is about 73519.5815208438. The cubic root of 5405128867 is about 1754.9659078396.

The spelling of 5405128867 in words is "five billion, four hundred five million, one hundred twenty-eight thousand, eight hundred sixty-seven".