69664018245 has 32 divisors (see below), whose sum is σ = 115763994624. Its totient is φ = 35734996800.

The previous prime is 69664018231. The next prime is 69664018247. The reversal of 69664018245 is 54281046696.

It is not a de Polignac number, because 69664018245 - 2⁹ = 69664017733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69664018247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383761 + ... + 535350.

It is an arithmetic number, because the mean of its divisors is an integer number (3617624832).

Almost surely, 2^69664018245 is an apocalyptic number.

It is an amenable number.

69664018245 is a deficient number, since it is larger than the sum of its proper divisors (46099976379).

69664018245 is a wasteful number, since it uses less digits than its factorization.

69664018245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919313.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 69664018245 in words is "sixty-nine billion, six hundred sixty-four million, eighteen thousand, two hundred forty-five".