1043149816 has 32 divisors (see below), whose sum is σ = 2012623200. Its totient is φ = 506646400.

The previous prime is 1043149813. The next prime is 1043149853. The reversal of 1043149816 is 6189413401.

Together with 969473384 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043149813) 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, 30645 + ... + 55003.

It is an arithmetic number, because the mean of its divisors is an integer number (62894475).

Almost surely, 2^1043149816 is an apocalyptic number.

It is an amenable number.

1043149816 is a deficient number, since it is larger than the sum of its proper divisors (969473384).

1043149816 is a wasteful number, since it uses less digits than its factorization.

1043149816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24519 (or 24515 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1043149816 is about 32297.8298961401. The cubic root of 1043149816 is about 1014.1812145086.

The spelling of 1043149816 in words is "one billion, forty-three million, one hundred forty-nine thousand, eight hundred sixteen".