1534449650 has 24 divisors (see below), whose sum is σ = 2855188164. Its totient is φ = 613540800.

The previous prime is 1534449643. The next prime is 1534449659. The reversal of 1534449650 is 569444351.

It can be written as a sum of positive squares in 6 ways, for example, as 999128881 + 535320769 = 31609^2 + 23137^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1534449598 and 1534449607.

It is not an unprimeable number, because it can be changed into a prime (1534449659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182540 + ... + 190760.

Almost surely, 2^1534449650 is an apocalyptic number.

1534449650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1534449650 is a deficient number, since it is larger than the sum of its proper divisors (1320738514).

1534449650 is a wasteful number, since it uses less digits than its factorization.

1534449650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966 (or 11961 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 1534449650 is about 39172.0518992815. The cubic root of 1534449650 is about 1153.4113325763.

The spelling of 1534449650 in words is "one billion, five hundred thirty-four million, four hundred forty-nine thousand, six hundred fifty".