561353434513753 has 18 divisors (see below), whose sum is σ = 689180424994026. Its totient is φ = 455835871620864.

The previous prime is 561353434513637. The next prime is 561353434513759. The reversal of 561353434513753 is 357315434353165.

It can be written as a sum of positive squares in only one way, i.e., 476134743942144 + 85218690571609 = 21820512^2 + 9231397^2 .

It is not a de Polignac number, because 561353434513753 - 2⁹ = 561353434513241 is a prime.

It is a super-2 number, since 2×561353434513753² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561353434513759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15867285000 + ... + 15867320377.

It is an arithmetic number, because the mean of its divisors is an integer number (38287801388557).

Almost surely, 2^{561353434513753} is an apocalyptic number.

It is an amenable number.

561353434513753 is a deficient number, since it is larger than the sum of its proper divisors (127826990480273).

561353434513753 is a wasteful number, since it uses less digits than its factorization.

561353434513753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31734605429 (or 31734605403 counting only the distinct ones).

The product of its digits is 102060000, while the sum is 58.

The spelling of 561353434513753 in words is "five hundred sixty-one trillion, three hundred fifty-three billion, four hundred thirty-four million, five hundred thirteen thousand, seven hundred fifty-three".