245413843985 has 8 divisors (see below), whose sum is σ = 294588576000. Its totient is φ = 196269766384.

The previous prime is 245413843981. The next prime is 245413843993. The reversal of 245413843985 is 589348314542.

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

It is a cyclic number.

It is not a de Polignac number, because 245413843985 - 2² = 245413843981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245413843985.

It is not an unprimeable number, because it can be changed into a prime (245413843981) 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, 7645985 + ... + 7678014.

It is an arithmetic number, because the mean of its divisors is an integer number (36823572000).

Almost surely, 2^245413843985 is an apocalyptic number.

It is an amenable number.

245413843985 is a deficient number, since it is larger than the sum of its proper divisors (49174732015).

245413843985 is a wasteful number, since it uses less digits than its factorization.

245413843985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15327207.

The product of its digits is 16588800, while the sum is 56.

The spelling of 245413843985 in words is "two hundred forty-five billion, four hundred thirteen million, eight hundred forty-three thousand, nine hundred eighty-five".