1609377103 has 4 divisors (see below), whose sum is σ = 1609781368. Its totient is φ = 1608972840.

The previous prime is 1609377101. The next prime is 1609377113. The reversal of 1609377103 is 3017739061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1609377103 - 2¹ = 1609377101 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 (1609377101) 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, 196101 + ... + 204142.

It is an arithmetic number, because the mean of its divisors is an integer number (402445342).

Almost surely, 2^1609377103 is an apocalyptic number.

1609377103 is a deficient number, since it is larger than the sum of its proper divisors (404265).

1609377103 is an equidigital number, since it uses as much as digits as its factorization.

1609377103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404264.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 1609377103 is about 40117.0425505171. The cubic root of 1609377103 is about 1171.8875473553.

The spelling of 1609377103 in words is "one billion, six hundred nine million, three hundred seventy-seven thousand, one hundred three".