185050015749449 has 2 divisors, whose sum is σ = 185050015749450. Its totient is φ = 185050015749448.

The previous prime is 185050015749421. The next prime is 185050015749491. The reversal of 185050015749449 is 944947510050581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166912059108025 + 18137956641424 = 12919445^2 + 4258868^2 .

It is a cyclic number.

It is not a de Polignac number, because 185050015749449 - 2²⁴ = 185049998972233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185050015749391 and 185050015749400.

It is not a weakly prime, because it can be changed into another prime (185050015749349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92525007874724 + 92525007874725.

It is an arithmetic number, because the mean of its divisors is an integer number (92525007874725).

Almost surely, 2^{185050015749449} is an apocalyptic number.

It is an amenable number.

185050015749449 is a deficient number, since it is larger than the sum of its proper divisors (1).

185050015749449 is an equidigital number, since it uses as much as digits as its factorization.

185050015749449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 62.

The spelling of 185050015749449 in words is "one hundred eighty-five trillion, fifty billion, fifteen million, seven hundred forty-nine thousand, four hundred forty-nine".