1676463643 has 4 divisors (see below), whose sum is σ = 1676600248. Its totient is φ = 1676327040.

The previous prime is 1676463641. The next prime is 1676463647. The reversal of 1676463643 is 3463646761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1676463643 - 2¹ = 1676463641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1676463593 and 1676463602.

It is not an unprimeable number, because it can be changed into a prime (1676463641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47853 + ... + 75118.

It is an arithmetic number, because the mean of its divisors is an integer number (419150062).

Almost surely, 2^1676463643 is an apocalyptic number.

1676463643 is a deficient number, since it is larger than the sum of its proper divisors (136605).

1676463643 is a wasteful number, since it uses less digits than its factorization.

1676463643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136604.

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

The square root of 1676463643 is about 40944.6412000398. The cubic root of 1676463643 is about 1187.9496843617.

It can be divided in two parts, 167 and 6463643, that added together give a triangular number (6463810 = T₃₅₉₅).

The spelling of 1676463643 in words is "one billion, six hundred seventy-six million, four hundred sixty-three thousand, six hundred forty-three".