1610442149 has 4 divisors (see below), whose sum is σ = 1647894336. Its totient is φ = 1572989964.

The previous prime is 1610442143. The next prime is 1610442167. The reversal of 1610442149 is 9412440161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1610442149 - 2⁴ = 1610442133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610442143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18726029 + ... + 18726114.

It is an arithmetic number, because the mean of its divisors is an integer number (411973584).

Almost surely, 2^1610442149 is an apocalyptic number.

It is an amenable number.

1610442149 is a deficient number, since it is larger than the sum of its proper divisors (37452187).

1610442149 is an equidigital number, since it uses as much as digits as its factorization.

1610442149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37452186.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1610442149 is about 40130.3145888492. The cubic root of 1610442149 is about 1172.1459990921.

The spelling of 1610442149 in words is "one billion, six hundred ten million, four hundred forty-two thousand, one hundred forty-nine".