1670682313 has 4 divisors (see below), whose sum is σ = 1687905940. Its totient is φ = 1653458688.

The previous prime is 1670682301. The next prime is 1670682323. The reversal of 1670682313 is 3132860761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1074003984 + 596678329 = 32772^2 + 24427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670682313 - 2¹⁷ = 1670551241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670682323) 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, 8611668 + ... + 8611861.

It is an arithmetic number, because the mean of its divisors is an integer number (421976485).

Almost surely, 2^1670682313 is an apocalyptic number.

It is an amenable number.

1670682313 is a deficient number, since it is larger than the sum of its proper divisors (17223627).

1670682313 is an equidigital number, since it uses as much as digits as its factorization.

1670682313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17223626.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1670682313 is about 40873.9808802617. The cubic root of 1670682313 is about 1186.5825528040.

The spelling of 1670682313 in words is "one billion, six hundred seventy million, six hundred eighty-two thousand, three hundred thirteen".