1610047542409 has 2 divisors, whose sum is σ = 1610047542410. Its totient is φ = 1610047542408.

The previous prime is 1610047542361. The next prime is 1610047542413. The reversal of 1610047542409 is 9042457400161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1577669138809 + 32378403600 = 1256053^2 + 179940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610047542409 - 2¹³ = 1610047534217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1610047542419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805023771204 + 805023771205.

It is an arithmetic number, because the mean of its divisors is an integer number (805023771205).

Almost surely, 2^{1610047542409} is an apocalyptic number.

It is an amenable number.

1610047542409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610047542409 is an equidigital number, since it uses as much as digits as its factorization.

1610047542409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1610047542409 in words is "one trillion, six hundred ten billion, forty-seven million, five hundred forty-two thousand, four hundred nine".