69840553291345 has 8 divisors (see below), whose sum is σ = 83810274387840. Its totient is φ = 55871369007600.

The previous prime is 69840553291343. The next prime is 69840553291363. The reversal of 69840553291345 is 54319235504896.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69840553291345 - 2¹ = 69840553291343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69840553291343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133916905 + ... + 134437414.

It is an arithmetic number, because the mean of its divisors is an integer number (10476284298480).

Almost surely, 2^{69840553291345} is an apocalyptic number.

It is an amenable number.

69840553291345 is a deficient number, since it is larger than the sum of its proper divisors (13969721096495).

69840553291345 is a wasteful number, since it uses less digits than its factorization.

69840553291345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268406375.

The product of its (nonzero) digits is 139968000, while the sum is 64.

The spelling of 69840553291345 in words is "sixty-nine trillion, eight hundred forty billion, five hundred fifty-three million, two hundred ninety-one thousand, three hundred forty-five".