69808457545 has 16 divisors (see below), whose sum is σ = 85200935040. Its totient is φ = 54900825984.

The previous prime is 69808457533. The next prime is 69808457581. The reversal of 69808457545 is 54575480896.

It is not a de Polignac number, because 69808457545 - 2⁵ = 69808457513 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424155 + ... + 565264.

It is an arithmetic number, because the mean of its divisors is an integer number (5325058440).

Almost surely, 2^69808457545 is an apocalyptic number.

It is an amenable number.

69808457545 is a deficient number, since it is larger than the sum of its proper divisors (15392477495).

69808457545 is a wasteful number, since it uses less digits than its factorization.

69808457545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989664.

The product of its (nonzero) digits is 48384000, while the sum is 61.

The spelling of 69808457545 in words is "sixty-nine billion, eight hundred eight million, four hundred fifty-seven thousand, five hundred forty-five".