1670536013 has 2 divisors, whose sum is σ = 1670536014. Its totient is φ = 1670536012.

The previous prime is 1670536003. The next prime is 1670536073. The reversal of 1670536013 is 3106350761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1307328649 + 363207364 = 36157^2 + 19058^2 .

It is an emirp because it is prime and its reverse (3106350761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1670536013 - 2²⁴ = 1653758797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670536003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835268006 + 835268007.

It is an arithmetic number, because the mean of its divisors is an integer number (835268007).

Almost surely, 2^1670536013 is an apocalyptic number.

It is an amenable number.

1670536013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670536013 is an equidigital number, since it uses as much as digits as its factorization.

1670536013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1670536013 is about 40872.1911940136. The cubic root of 1670536013 is about 1186.5479158389.

Adding to 1670536013 its reverse (3106350761), we get a palindrome (4776886774).

The spelling of 1670536013 in words is "one billion, six hundred seventy million, five hundred thirty-six thousand, thirteen".