245193864293 has 4 divisors (see below), whose sum is σ = 280221559200. Its totient is φ = 210166169388.

The previous prime is 245193864277. The next prime is 245193864299. The reversal of 245193864293 is 392468391542.

245193864293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 392468391542 = 2 ⋅196234195771.

It is not a de Polignac number, because 245193864293 - 2⁴ = 245193864277 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 (245193864299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17513847443 + ... + 17513847456.

It is an arithmetic number, because the mean of its divisors is an integer number (70055389800).

Almost surely, 2^245193864293 is an apocalyptic number.

It is an amenable number.

245193864293 is a deficient number, since it is larger than the sum of its proper divisors (35027694907).

245193864293 is an equidigital number, since it uses as much as digits as its factorization.

245193864293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35027694906.

The product of its digits is 11197440, while the sum is 56.

The spelling of 245193864293 in words is "two hundred forty-five billion, one hundred ninety-three million, eight hundred sixty-four thousand, two hundred ninety-three".