1338795650 has 24 divisors (see below), whose sum is σ = 2496697344. Its totient is φ = 534112400.

The previous prime is 1338795617. The next prime is 1338795659. The reversal of 1338795650 is 565978331.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1338795595 and 1338795604.

It is not an unprimeable number, because it can be changed into a prime (1338795659) 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, 15806 + ... + 54105.

It is an arithmetic number, because the mean of its divisors is an integer number (104029056).

Almost surely, 2^1338795650 is an apocalyptic number.

1338795650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338795650 is a deficient number, since it is larger than the sum of its proper divisors (1157901694).

1338795650 is a wasteful number, since it uses less digits than its factorization.

1338795650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70306 (or 70301 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 1338795650 is about 36589.5565701472. The cubic root of 1338795650 is about 1102.1433828254.

The spelling of 1338795650 in words is "one billion, three hundred thirty-eight million, seven hundred ninety-five thousand, six hundred fifty".