245670135644 has 24 divisors (see below), whose sum is σ = 434136288768. Its totient is φ = 121631413680.

The previous prime is 245670135643. The next prime is 245670135647. The reversal of 245670135644 is 446531076542.

245670135644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245670135643) 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 7 ways as a sum of consecutive naturals, for example, 6272129 + ... + 6311175.

It is an arithmetic number, because the mean of its divisors is an integer number (18089012032).

Almost surely, 2^245670135644 is an apocalyptic number.

It is an amenable number.

245670135644 is a deficient number, since it is larger than the sum of its proper divisors (188466153124).

245670135644 is a wasteful number, since it uses less digits than its factorization.

245670135644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54425 (or 54423 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 245670135644 in words is "two hundred forty-five billion, six hundred seventy million, one hundred thirty-five thousand, six hundred forty-four".