561353434518763 has 2 divisors, whose sum is σ = 561353434518764. Its totient is φ = 561353434518762.

The previous prime is 561353434518689. The next prime is 561353434518817. The reversal of 561353434518763 is 367815434353165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561353434518763 - 2²⁹ = 561352897647851 is a prime.

It is a super-2 number, since 2×561353434518763² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561353434518695 and 561353434518704.

It is not a weakly prime, because it can be changed into another prime (561353434588763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280676717259381 + 280676717259382.

It is an arithmetic number, because the mean of its divisors is an integer number (280676717259382).

Almost surely, 2^{561353434518763} is an apocalyptic number.

561353434518763 is a deficient number, since it is larger than the sum of its proper divisors (1).

561353434518763 is an equidigital number, since it uses as much as digits as its factorization.

561353434518763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592000, while the sum is 64.

The spelling of 561353434518763 in words is "five hundred sixty-one trillion, three hundred fifty-three billion, four hundred thirty-four million, five hundred eighteen thousand, seven hundred sixty-three".