1652788339 has 4 divisors (see below), whose sum is σ = 1676067120. Its totient is φ = 1629509560.

The previous prime is 1652788337. The next prime is 1652788381. The reversal of 1652788339 is 9338872561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1652788339 - 2¹ = 1652788337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1652788337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11639284 + ... + 11639425.

It is an arithmetic number, because the mean of its divisors is an integer number (419016780).

Almost surely, 2^1652788339 is an apocalyptic number.

1652788339 is a deficient number, since it is larger than the sum of its proper divisors (23278781).

1652788339 is an equidigital number, since it uses as much as digits as its factorization.

1652788339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23278780.

The product of its digits is 2177280, while the sum is 52.

The square root of 1652788339 is about 40654.4996156637. The cubic root of 1652788339 is about 1182.3310091395.

The spelling of 1652788339 in words is "one billion, six hundred fifty-two million, seven hundred eighty-eight thousand, three hundred thirty-nine".