361429478561 has 2 divisors, whose sum is σ = 361429478562. Its totient is φ = 361429478560.

The previous prime is 361429478551. The next prime is 361429478567. The reversal of 361429478561 is 165874924163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358208235025 + 3221243536 = 598505^2 + 56756^2 .

It is a cyclic number.

It is not a de Polignac number, because 361429478561 - 2³⁰ = 360355736737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361429478497 and 361429478506.

It is not a weakly prime, because it can be changed into another prime (361429478567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180714739280 + 180714739281.

It is an arithmetic number, because the mean of its divisors is an integer number (180714739281).

Almost surely, 2^361429478561 is an apocalyptic number.

It is an amenable number.

361429478561 is a deficient number, since it is larger than the sum of its proper divisors (1).

361429478561 is an equidigital number, since it uses as much as digits as its factorization.

361429478561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The spelling of 361429478561 in words is "three hundred sixty-one billion, four hundred twenty-nine million, four hundred seventy-eight thousand, five hundred sixty-one".