245500311643 has 8 divisors (see below), whose sum is σ = 246876350688. Its totient is φ = 244127625984.

The previous prime is 245500311631. The next prime is 245500311649. The reversal of 245500311643 is 346113005542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245500311643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245500311599 and 245500311608.

It is not an unprimeable number, because it can be changed into a prime (245500311649) 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, 691446 + ... + 984427.

It is an arithmetic number, because the mean of its divisors is an integer number (30859543836).

Almost surely, 2^245500311643 is an apocalyptic number.

245500311643 is a deficient number, since it is larger than the sum of its proper divisors (1376039045).

245500311643 is a wasteful number, since it uses less digits than its factorization.

245500311643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676693.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 245500311643 in words is "two hundred forty-five billion, five hundred million, three hundred eleven thousand, six hundred forty-three".