1550374674461 has 2 divisors, whose sum is σ = 1550374674462. Its totient is φ = 1550374674460.

The previous prime is 1550374674451. The next prime is 1550374674467. The reversal of 1550374674461 is 1644764730551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1549004268100 + 1370406361 = 1244590^2 + 37019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550374674461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1550374674467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775187337230 + 775187337231.

It is an arithmetic number, because the mean of its divisors is an integer number (775187337231).

Almost surely, 2^{1550374674461} is an apocalyptic number.

It is an amenable number.

1550374674461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550374674461 is an equidigital number, since it uses as much as digits as its factorization.

1550374674461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 1550374674461 in words is "one trillion, five hundred fifty billion, three hundred seventy-four million, six hundred seventy-four thousand, four hundred sixty-one".