69432840049 has 2 divisors, whose sum is σ = 69432840050. Its totient is φ = 69432840048.

The previous prime is 69432840041. The next prime is 69432840079. The reversal of 69432840049 is 94004823496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68464385649 + 968454400 = 261657^2 + 31120^2 .

It is a cyclic number.

It is not a de Polignac number, because 69432840049 - 2³ = 69432840041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69432839984 and 69432840011.

It is not a weakly prime, because it can be changed into another prime (69432840041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34716420024 + 34716420025.

It is an arithmetic number, because the mean of its divisors is an integer number (34716420025).

Almost surely, 2^69432840049 is an apocalyptic number.

It is an amenable number.

69432840049 is a deficient number, since it is larger than the sum of its proper divisors (1).

69432840049 is an equidigital number, since it uses as much as digits as its factorization.

69432840049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 69432840049 in words is "sixty-nine billion, four hundred thirty-two million, eight hundred forty thousand, forty-nine".