245343253115539 has 4 divisors (see below), whose sum is σ = 245343336064056. Its totient is φ = 245343170167024.

The previous prime is 245343253115531. The next prime is 245343253115617. The reversal of 245343253115539 is 935511352343542.

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

It is a cyclic number.

It is not a de Polignac number, because 245343253115539 - 2³ = 245343253115531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245343253115539.

It is not an unprimeable number, because it can be changed into a prime (245343253115531) 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, 36866989 + ... + 43010014.

It is an arithmetic number, because the mean of its divisors is an integer number (61335834016014).

Almost surely, 2^{245343253115539} is an apocalyptic number.

245343253115539 is a deficient number, since it is larger than the sum of its proper divisors (82948517).

245343253115539 is an equidigital number, since it uses as much as digits as its factorization.

245343253115539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82948516.

The product of its digits is 29160000, while the sum is 55.

The spelling of 245343253115539 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred fifty-three million, one hundred fifteen thousand, five hundred thirty-nine".