1642752365 has 16 divisors (see below), whose sum is σ = 1980127296. Its totient is φ = 1308336000.

The previous prime is 1642752359. The next prime is 1642752367. The reversal of 1642752365 is 5632572461.

It is not a de Polignac number, because 1642752365 - 2⁶ = 1642752301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642752367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691330 + ... + 1692300.

It is an arithmetic number, because the mean of its divisors is an integer number (123757956).

Almost surely, 2^1642752365 is an apocalyptic number.

It is an amenable number.

1642752365 is a deficient number, since it is larger than the sum of its proper divisors (337374931).

1642752365 is an equidigital number, since it uses as much as digits as its factorization.

1642752365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its digits is 302400, while the sum is 41.

The square root of 1642752365 is about 40530.8816213020. The cubic root of 1642752365 is about 1179.9330530342.

The spelling of 1642752365 in words is "one billion, six hundred forty-two million, seven hundred fifty-two thousand, three hundred sixty-five".