1649112650 has 24 divisors (see below), whose sum is σ = 3200714784. Its totient is φ = 630964400.

The previous prime is 1649112629. The next prime is 1649112677. The reversal of 1649112650 is 562119461.

It is a self number, because there is not a number n which added to its sum of digits gives 1649112650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 715856 + ... + 718155.

It is an arithmetic number, because the mean of its divisors is an integer number (133363116).

Almost surely, 2^1649112650 is an apocalyptic number.

1649112650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1649112650 is a deficient number, since it is larger than the sum of its proper divisors (1551602134).

1649112650 is a wasteful number, since it uses less digits than its factorization.

1649112650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434046 (or 1434041 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1649112650 is about 40609.2680308326. The cubic root of 1649112650 is about 1181.4538839774.

The spelling of 1649112650 in words is "one billion, six hundred forty-nine million, one hundred twelve thousand, six hundred fifty".