3196991450 has 12 divisors (see below), whose sum is σ = 5946404190. Its totient is φ = 1278796560.

The previous prime is 3196991377. The next prime is 3196991461. The reversal of 3196991450 is 541996913.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2963604721 + 233386729 = 54439^2 + 15277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3196991395 and 3196991404.

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, 31969865 + ... + 31969964.

Almost surely, 2^3196991450 is an apocalyptic number.

3196991450 is a deficient number, since it is larger than the sum of its proper divisors (2749412740).

3196991450 is a wasteful number, since it uses less digits than its factorization.

3196991450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63939841 (or 63939836 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 3196991450 is about 56541.9441653716. The cubic root of 3196991450 is about 1473.1506382780.

The spelling of 3196991450 in words is "three billion, one hundred ninety-six million, nine hundred ninety-one thousand, four hundred fifty".