1610107251409 has 2 divisors, whose sum is σ = 1610107251410. Its totient is φ = 1610107251408.

The previous prime is 1610107251407. The next prime is 1610107251421. The reversal of 1610107251409 is 9041527010161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1073030800384 + 537076451025 = 1035872^2 + 732855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610107251409 - 2¹ = 1610107251407 is a prime.

It is a super-2 number, since 2×1610107251409² (a number of 25 digits) contains 22 as substring.

Together with 1610107251407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1610107251407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805053625704 + 805053625705.

It is an arithmetic number, because the mean of its divisors is an integer number (805053625705).

Almost surely, 2^{1610107251409} is an apocalyptic number.

It is an amenable number.

1610107251409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610107251409 is an equidigital number, since it uses as much as digits as its factorization.

1610107251409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 1610107251409 in words is "one trillion, six hundred ten billion, one hundred seven million, two hundred fifty-one thousand, four hundred nine".