1676538643 has 6 divisors (see below), whose sum is σ = 1815423684. Its totient is φ = 1547573976.

The previous prime is 1676538641. The next prime is 1676538673. The reversal of 1676538643 is 3468356761.

It is not a de Polignac number, because 1676538643 - 2¹ = 1676538641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676538641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4960005 + ... + 4960342.

It is an arithmetic number, because the mean of its divisors is an integer number (302570614).

Almost surely, 2^1676538643 is an apocalyptic number.

1676538643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1676538643 is a deficient number, since it is larger than the sum of its proper divisors (138885041).

1676538643 is an equidigital number, since it uses as much as digits as its factorization.

1676538643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9920373 (or 9920360 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 1676538643 is about 40945.5570605652. The cubic root of 1676538643 is about 1187.9673992101.

The spelling of 1676538643 in words is "one billion, six hundred seventy-six million, five hundred thirty-eight thousand, six hundred forty-three".