245502424544413 has 4 divisors (see below), whose sum is σ = 245503425129760. Its totient is φ = 245501423959068.

The previous prime is 245502424544393. The next prime is 245502424544449. The reversal of 245502424544413 is 314445424205542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245502424544413 - 2⁵ = 245502424544381 is a prime.

It is a super-2 number, since 2×245502424544413² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245502424544483) 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, 499924545 + ... + 500415382.

It is an arithmetic number, because the mean of its divisors is an integer number (61375856282440).

Almost surely, 2^{245502424544413} is an apocalyptic number.

It is an amenable number.

245502424544413 is a deficient number, since it is larger than the sum of its proper divisors (1000585347).

245502424544413 is a wasteful number, since it uses less digits than its factorization.

245502424544413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000585346.

The product of its (nonzero) digits is 12288000, while the sum is 49.

Adding to 245502424544413 its reverse (314445424205542), we get a palindrome (559947848749955).

The spelling of 245502424544413 in words is "two hundred forty-five trillion, five hundred two billion, four hundred twenty-four million, five hundred forty-four thousand, four hundred thirteen".