1609137453 has 16 divisors (see below), whose sum is σ = 2674930176. Its totient is φ = 835915440.

The previous prime is 1609137433. The next prime is 1609137463. The reversal of 1609137453 is 3547319061.

It is not a de Polignac number, because 1609137453 - 2¹⁶ = 1609071917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609137403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3482751 + ... + 3483212.

It is an arithmetic number, because the mean of its divisors is an integer number (167183136).

Almost surely, 2^1609137453 is an apocalyptic number.

It is an amenable number.

1609137453 is a deficient number, since it is larger than the sum of its proper divisors (1065792723).

1609137453 is a wasteful number, since it uses less digits than its factorization.

1609137453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965984.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1609137453 is about 40114.0555541321. The cubic root of 1609137453 is about 1171.8293764453.

The spelling of 1609137453 in words is "one billion, six hundred nine million, one hundred thirty-seven thousand, four hundred fifty-three".