1882309745 has 16 divisors (see below), whose sum is σ = 2328549120. Its totient is φ = 1460029824.

The previous prime is 1882309733. The next prime is 1882309829. The reversal of 1882309745 is 5479032881.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1882309745 - 2²⁸ = 1613874289 is a prime.

It is a super-2 number, since 2×1882309745² = 7086179952243930050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1882309745.

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 15 ways as a sum of consecutive naturals, for example, 22169 + ... + 65238.

It is an arithmetic number, because the mean of its divisors is an integer number (145534320).

Almost surely, 2^1882309745 is an apocalyptic number.

It is an amenable number.

1882309745 is a deficient number, since it is larger than the sum of its proper divisors (446239375).

1882309745 is an equidigital number, since it uses as much as digits as its factorization.

1882309745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87544.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1882309745 is about 43385.5937495386. The cubic root of 1882309745 is about 1234.7063931848.

The spelling of 1882309745 in words is "one billion, eight hundred eighty-two million, three hundred nine thousand, seven hundred forty-five".