1609475955 has 8 divisors (see below), whose sum is σ = 2575161552. Its totient is φ = 858387168.

The previous prime is 1609475831. The next prime is 1609475957. The reversal of 1609475955 is 5595749061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1609475955 - 2⁷ = 1609475827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1609475898 and 1609475907.

It is not an unprimeable number, because it can be changed into a prime (1609475957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53649184 + ... + 53649213.

It is an arithmetic number, because the mean of its divisors is an integer number (321895194).

Almost surely, 2^1609475955 is an apocalyptic number.

1609475955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1609475955 is a deficient number, since it is larger than the sum of its proper divisors (965685597).

1609475955 is a wasteful number, since it uses less digits than its factorization.

1609475955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107298405.

The product of its (nonzero) digits is 1701000, while the sum is 51.

The square root of 1609475955 is about 40118.2745765568. The cubic root of 1609475955 is about 1171.9115402935.

The spelling of 1609475955 in words is "one billion, six hundred nine million, four hundred seventy-five thousand, nine hundred fifty-five".