69348491845 has 8 divisors (see below), whose sum is σ = 86087783160. Its totient is φ = 53565731520.

The previous prime is 69348491843. The next prime is 69348491851. The reversal of 69348491845 is 54819484396.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23553347841 + 45795144004 = 153471^2 + 213998^2 .

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

It is not a de Polignac number, because 69348491845 - 2¹ = 69348491843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69348491843) 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, 239132586 + ... + 239132875.

It is an arithmetic number, because the mean of its divisors is an integer number (10760972895).

Almost surely, 2^69348491845 is an apocalyptic number.

It is an amenable number.

69348491845 is a deficient number, since it is larger than the sum of its proper divisors (16739291315).

69348491845 is a wasteful number, since it uses less digits than its factorization.

69348491845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478265495.

The product of its digits is 29859840, while the sum is 61.

The spelling of 69348491845 in words is "sixty-nine billion, three hundred forty-eight million, four hundred ninety-one thousand, eight hundred forty-five".