561353434513764 has 24 divisors (see below), whose sum is σ = 1310249534553120. Its totient is φ = 187057118073024.

The previous prime is 561353434513759. The next prime is 561353434513819. The reversal of 561353434513764 is 467315434353165.

It is a junction number, because it is equal to n+sod(n) for n = 561353434513698 and 561353434513707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7586640409 + ... + 7586714400.

It is an arithmetic number, because the mean of its divisors is an integer number (54593730606380).

Almost surely, 2^{561353434513764} is an apocalyptic number.

It is an amenable number.

561353434513764 is an abundant number, since it is smaller than the sum of its proper divisors (748896100039356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561353434513764 is a wasteful number, since it uses less digits than its factorization.

561353434513764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173357899 (or 15173357897 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 60.

The spelling of 561353434513764 in words is "five hundred sixty-one trillion, three hundred fifty-three billion, four hundred thirty-four million, five hundred thirteen thousand, seven hundred sixty-four".