1680469474 has 8 divisors (see below), whose sum is σ = 2520903888. Its totient is φ = 840168180.

The previous prime is 1680469471. The next prime is 1680469477. The reversal of 1680469474 is 4749640861.

It is an interprime number because it is at equal distance from previous prime (1680469471) and next prime (1680469477).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1680469471) 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, 9049 + ... + 58675.

It is an arithmetic number, because the mean of its divisors is an integer number (315112986).

Almost surely, 2^1680469474 is an apocalyptic number.

1680469474 is a deficient number, since it is larger than the sum of its proper divisors (840434414).

1680469474 is a wasteful number, since it uses less digits than its factorization.

1680469474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66560.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 1680469474 is about 40993.5296601793. The cubic root of 1680469474 is about 1188.8951150336.

The spelling of 1680469474 in words is "one billion, six hundred eighty million, four hundred sixty-nine thousand, four hundred seventy-four".