245533556800487 has 4 divisors (see below), whose sum is σ = 258456375579480. Its totient is φ = 232610738021496.

The previous prime is 245533556800447. The next prime is 245533556800501. The reversal of 245533556800487 is 784008655335542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245533556800487 - 2¹⁰ = 245533556799463 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 (245533556800417) 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, 6461409389468 + ... + 6461409389505.

It is an arithmetic number, because the mean of its divisors is an integer number (64614093894870).

Almost surely, 2^{245533556800487} is an apocalyptic number.

245533556800487 is a deficient number, since it is larger than the sum of its proper divisors (12922818778993).

245533556800487 is a wasteful number, since it uses less digits than its factorization.

245533556800487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922818778992.

The product of its (nonzero) digits is 483840000, while the sum is 65.

The spelling of 245533556800487 in words is "two hundred forty-five trillion, five hundred thirty-three billion, five hundred fifty-six million, eight hundred thousand, four hundred eighty-seven".