561346232147 has 2 divisors, whose sum is σ = 561346232148. Its totient is φ = 561346232146.

The previous prime is 561346232141. The next prime is 561346232233. The reversal of 561346232147 is 741232643165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561346232147 - 2²² = 561342037843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561346232098 and 561346232107.

It is not a weakly prime, because it can be changed into another prime (561346232141) 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 as a sum of consecutive naturals, namely, 280673116073 + 280673116074.

It is an arithmetic number, because the mean of its divisors is an integer number (280673116074).

Almost surely, 2^561346232147 is an apocalyptic number.

561346232147 is a deficient number, since it is larger than the sum of its proper divisors (1).

561346232147 is an equidigital number, since it uses as much as digits as its factorization.

561346232147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 44.

The spelling of 561346232147 in words is "five hundred sixty-one billion, three hundred forty-six million, two hundred thirty-two thousand, one hundred forty-seven".