153468786817 has 4 divisors (see below), whose sum is σ = 153471615700. Its totient is φ = 153465957936.

The previous prime is 153468786803. The next prime is 153468786853. The reversal of 153468786817 is 718687864351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45611717761 + 107857069056 = 213569^2 + 328416^2 .

It is a cyclic number.

It is not a de Polignac number, because 153468786817 - 2³¹ = 151321303169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153468786017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331442 + ... + 1442107.

It is an arithmetic number, because the mean of its divisors is an integer number (38367903925).

Almost surely, 2^153468786817 is an apocalyptic number.

It is an amenable number.

153468786817 is a deficient number, since it is larger than the sum of its proper divisors (2828883).

153468786817 is an equidigital number, since it uses as much as digits as its factorization.

153468786817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828882.

The product of its digits is 54190080, while the sum is 64.

The spelling of 153468786817 in words is "one hundred fifty-three billion, four hundred sixty-eight million, seven hundred eighty-six thousand, eight hundred seventeen".