361456954559 has 2 divisors, whose sum is σ = 361456954560. Its totient is φ = 361456954558.

The previous prime is 361456954531. The next prime is 361456954613. The reversal of 361456954559 is 955459654163.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361456954559 is a prime.

It is a super-2 number, since 2×361456954559² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361456954259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180728477279 + 180728477280.

It is an arithmetic number, because the mean of its divisors is an integer number (180728477280).

Almost surely, 2^361456954559 is an apocalyptic number.

361456954559 is a deficient number, since it is larger than the sum of its proper divisors (1).

361456954559 is an equidigital number, since it uses as much as digits as its factorization.

361456954559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480000, while the sum is 62.

The spelling of 361456954559 in words is "three hundred sixty-one billion, four hundred fifty-six million, nine hundred fifty-four thousand, five hundred fifty-nine".