3823450645 has 12 divisors (see below), whose sum is σ = 5337225324. Its totient is φ = 2621794560.

The previous prime is 3823450633. The next prime is 3823450721. The reversal of 3823450645 is 5460543283.

It can be written as a sum of positive squares in 2 ways, for example, as 968578884 + 2854871761 = 31122^2 + 53431^2 .

It is not a de Polignac number, because 3823450645 - 2⁹ = 3823450133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3823450598 and 3823450607.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7802716 + ... + 7803205.

It is an arithmetic number, because the mean of its divisors is an integer number (444768777).

Almost surely, 2^3823450645 is an apocalyptic number.

3823450645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3823450645 is a deficient number, since it is larger than the sum of its proper divisors (1513774679).

3823450645 is a wasteful number, since it uses less digits than its factorization.

3823450645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15605940 (or 15605933 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 3823450645 is about 61834.0573228055. The cubic root of 3823450645 is about 1563.6942150957.

The spelling of 3823450645 in words is "three billion, eight hundred twenty-three million, four hundred fifty thousand, six hundred forty-five".