561612147787363 has 16 divisors (see below), whose sum is σ = 564803044041600. Its totient is φ = 558428376522240.

The previous prime is 561612147787357. The next prime is 561612147787421. The reversal of 561612147787363 is 363787741216165.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561612147787363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561612147787303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575921983 + ... + 576896311.

It is an arithmetic number, because the mean of its divisors is an integer number (35300190252600).

Almost surely, 2^{561612147787363} is an apocalyptic number.

561612147787363 is a deficient number, since it is larger than the sum of its proper divisors (3190896254237).

561612147787363 is a wasteful number, since it uses less digits than its factorization.

561612147787363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977982.

The product of its digits is 213373440, while the sum is 67.

The spelling of 561612147787363 in words is "five hundred sixty-one trillion, six hundred twelve billion, one hundred forty-seven million, seven hundred eighty-seven thousand, three hundred sixty-three".