1652738738 has 48 divisors (see below), whose sum is σ = 3073469184. Its totient is φ = 663062400.

The previous prime is 1652738723. The next prime is 1652738749. The reversal of 1652738738 is 8378372561.

It is a happy number.

Its product of digits (1693440) is a multiple of the sum of its prime divisors (15680).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98138 + ... + 113738.

It is an arithmetic number, because the mean of its divisors is an integer number (64030608).

Almost surely, 2^1652738738 is an apocalyptic number.

1652738738 is a deficient number, since it is larger than the sum of its proper divisors (1420730446).

1652738738 is a wasteful number, since it uses less digits than its factorization.

1652738738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15687 (or 15680 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 1652738738 is about 40653.8895802111. The cubic root of 1652738738 is about 1182.3191815740.

The spelling of 1652738738 in words is "one billion, six hundred fifty-two million, seven hundred thirty-eight thousand, seven hundred thirty-eight".