1609374113 has 2 divisors, whose sum is σ = 1609374114. Its totient is φ = 1609374112.

The previous prime is 1609374079. The next prime is 1609374131. The reversal of 1609374113 is 3114739061.

It is a happy number.

Together with next prime (1609374131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195983889 + 413390224 = 34583^2 + 20332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1609374113 - 2¹² = 1609370017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1609374313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804687056 + 804687057.

It is an arithmetic number, because the mean of its divisors is an integer number (804687057).

Almost surely, 2^1609374113 is an apocalyptic number.

It is an amenable number.

1609374113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1609374113 is an equidigital number, since it uses as much as digits as its factorization.

1609374113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 1609374113 is about 40117.0052845424. The cubic root of 1609374113 is about 1171.8868216199.

The spelling of 1609374113 in words is "one billion, six hundred nine million, three hundred seventy-four thousand, one hundred thirteen".