245404035563644 has 12 divisors (see below), whose sum is σ = 429457198803304. Its totient is φ = 122701978762704.

The previous prime is 245404035563641. The next prime is 245404035563653. The reversal of 245404035563644 is 446365530404542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245404035563641) 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, 7977907 + ... + 23546869.

Almost surely, 2^{245404035563644} is an apocalyptic number.

It is an amenable number.

245404035563644 is a deficient number, since it is larger than the sum of its proper divisors (184053163239660).

245404035563644 is a wasteful number, since it uses less digits than its factorization.

245404035563644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19509564 (or 19509562 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 55.

The spelling of 245404035563644 in words is "two hundred forty-five trillion, four hundred four billion, thirty-five million, five hundred sixty-three thousand, six hundred forty-four".