1676646343 has 2 divisors, whose sum is σ = 1676646344. Its totient is φ = 1676646342.

The previous prime is 1676646329. The next prime is 1676646383. The reversal of 1676646343 is 3436466761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1676646343 - 2¹³ = 1676638151 is a prime.

It is a super-2 number, since 2×1676646343² = 5622285918990547298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1676646293 and 1676646302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676646383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838323171 + 838323172.

It is an arithmetic number, because the mean of its divisors is an integer number (838323172).

Almost surely, 2^1676646343 is an apocalyptic number.

1676646343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676646343 is an equidigital number, since it uses as much as digits as its factorization.

1676646343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 46.

The square root of 1676646343 is about 40946.8722004502. The cubic root of 1676646343 is about 1187.9928368083.

The spelling of 1676646343 in words is "one billion, six hundred seventy-six million, six hundred forty-six thousand, three hundred forty-three".