1949163912 has 40 divisors (see below), whose sum is σ = 5459465550. Its totient is φ = 649721088.

The previous prime is 1949163907. The next prime is 1949163941. The reversal of 1949163912 is 2193619491.

1949163912 is a `hidden beast` number, since 1 + 9 + 4 + 9 + 1 + 639 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1763496036 + 185667876 = 41994^2 + 13626^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1503337 + ... + 1504632.

Almost surely, 2^1949163912 is an apocalyptic number.

1949163912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949163912 is an abundant number, since it is smaller than the sum of its proper divisors (3510301638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949163912 is a wasteful number, since it uses less digits than its factorization.

1949163912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007987 (or 3007974 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 1949163912 is about 44149.3364842553. The cubic root of 1949163912 is about 1249.1543959854.

The spelling of 1949163912 in words is "one billion, nine hundred forty-nine million, one hundred sixty-three thousand, nine hundred twelve".