3812991148 has 6 divisors (see below), whose sum is σ = 6672734516. Its totient is φ = 1906495572.

The previous prime is 3812991113. The next prime is 3812991163. The reversal of 3812991148 is 8411992183.

It is a junction number, because it is equal to n+sod(n) for n = 3812991098 and 3812991107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476623890 + ... + 476623897.

Almost surely, 2^3812991148 is an apocalyptic number.

It is an amenable number.

3812991148 is a deficient number, since it is larger than the sum of its proper divisors (2859743368).

3812991148 is a wasteful number, since it uses less digits than its factorization.

3812991148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953247791 (or 953247789 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 3812991148 is about 61749.4222483093. The cubic root of 3812991148 is about 1562.2670233373.

The spelling of 3812991148 in words is "three billion, eight hundred twelve million, nine hundred ninety-one thousand, one hundred forty-eight".