1338289762 has 4 divisors (see below), whose sum is σ = 2007434646. Its totient is φ = 669144880.

The previous prime is 1338289727. The next prime is 1338289763. The reversal of 1338289762 is 2679828331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2679828331 = 71 ⋅37744061.

It can be written as a sum of positive squares in only one way, i.e., 1337291761 + 998001 = 36569^2 + 999^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1338289763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334572439 + ... + 334572442.

Almost surely, 2^1338289762 is an apocalyptic number.

1338289762 is a deficient number, since it is larger than the sum of its proper divisors (669144884).

1338289762 is an equidigital number, since it uses as much as digits as its factorization.

1338289762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669144883.

The product of its digits is 870912, while the sum is 49.

The square root of 1338289762 is about 36582.6429061652. The cubic root of 1338289762 is about 1102.0045437739.

The spelling of 1338289762 in words is "one billion, three hundred thirty-eight million, two hundred eighty-nine thousand, seven hundred sixty-two".