245022303213013 has 4 divisors (see below), whose sum is σ = 259435379872620. Its totient is φ = 230609226553408.

The previous prime is 245022303213001. The next prime is 245022303213053. The reversal of 245022303213013 is 310312303220542.

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 178189340142564 + 66832963070449 = 13348758^2 + 8175143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245022303213013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245022303213053) 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, 7206538329778 + ... + 7206538329811.

It is an arithmetic number, because the mean of its divisors is an integer number (64858844968155).

Almost surely, 2^{245022303213013} is an apocalyptic number.

It is an amenable number.

245022303213013 is a deficient number, since it is larger than the sum of its proper divisors (14413076659607).

245022303213013 is a wasteful number, since it uses less digits than its factorization.

245022303213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14413076659606.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 245022303213013 its reverse (310312303220542), we get a palindrome (555334606433555).

The spelling of 245022303213013 in words is "two hundred forty-five trillion, twenty-two billion, three hundred three million, two hundred thirteen thousand, thirteen".