1604319050 has 12 divisors (see below), whose sum is σ = 2984033526. Its totient is φ = 641727600.

The previous prime is 1604318983. The next prime is 1604319077. The reversal of 1604319050 is 509134061.

It can be written as a sum of positive squares in 3 ways, for example, as 1012321489 + 591997561 = 31817^2 + 24331^2 .

It is a super-2 number, since 2×1604319050² = 5147679228385805000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16043141 + ... + 16043240.

Almost surely, 2^1604319050 is an apocalyptic number.

1604319050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1604319050 is a deficient number, since it is larger than the sum of its proper divisors (1379714476).

1604319050 is a wasteful number, since it uses less digits than its factorization.

1604319050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32086393 (or 32086388 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1604319050 is about 40053.9517401217. The cubic root of 1604319050 is about 1170.6585646386.

The spelling of 1604319050 in words is "one billion, six hundred four million, three hundred nineteen thousand, fifty".