361547745109 has 2 divisors, whose sum is σ = 361547745110. Its totient is φ = 361547745108.

The previous prime is 361547745103. The next prime is 361547745127. The reversal of 361547745109 is 901547745163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203290970884 + 158256774225 = 450878^2 + 397815^2 .

It is a cyclic number.

It is not a de Polignac number, because 361547745109 - 2¹³ = 361547736917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361547745103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180773872554 + 180773872555.

It is an arithmetic number, because the mean of its divisors is an integer number (180773872555).

Almost surely, 2^361547745109 is an apocalyptic number.

It is an amenable number.

361547745109 is a deficient number, since it is larger than the sum of its proper divisors (1).

361547745109 is an equidigital number, since it uses as much as digits as its factorization.

361547745109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 361547745109 in words is "three hundred sixty-one billion, five hundred forty-seven million, seven hundred forty-five thousand, one hundred nine".