1670653313 has 4 divisors (see below), whose sum is σ = 1909318080. Its totient is φ = 1431988548.

The previous prime is 1670653307. The next prime is 1670653319. The reversal of 1670653313 is 3133560761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1670653307) and next prime (1670653319).

It is a cyclic number.

It is not a de Polignac number, because 1670653313 - 2¹⁰ = 1670652289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1670653319) 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, 119332373 + ... + 119332386.

It is an arithmetic number, because the mean of its divisors is an integer number (477329520).

Almost surely, 2^1670653313 is an apocalyptic number.

It is an amenable number.

1670653313 is a deficient number, since it is larger than the sum of its proper divisors (238664767).

1670653313 is an equidigital number, since it uses as much as digits as its factorization.

1670653313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238664766.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 1670653313 is about 40873.6261298163. The cubic root of 1670653313 is about 1186.5756871275.

The spelling of 1670653313 in words is "one billion, six hundred seventy million, six hundred fifty-three thousand, three hundred thirteen".