245816724293 has 4 divisors (see below), whose sum is σ = 280933399200. Its totient is φ = 210700049388.

The previous prime is 245816724271. The next prime is 245816724347. The reversal of 245816724293 is 392427618542.

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 245816724293 - 2⁶ = 245816724229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245816724493) 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, 17558337443 + ... + 17558337456.

It is an arithmetic number, because the mean of its divisors is an integer number (70233349800).

Almost surely, 2^245816724293 is an apocalyptic number.

It is an amenable number.

245816724293 is a deficient number, since it is larger than the sum of its proper divisors (35116674907).

245816724293 is an equidigital number, since it uses as much as digits as its factorization.

245816724293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35116674906.

The product of its digits is 5806080, while the sum is 53.

The spelling of 245816724293 in words is "two hundred forty-five billion, eight hundred sixteen million, seven hundred twenty-four thousand, two hundred ninety-three".