1013612009 has 2 divisors, whose sum is σ = 1013612010. Its totient is φ = 1013612008.

The previous prime is 1013611999. The next prime is 1013612059. The reversal of 1013612009 is 9002163101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598878784 + 414733225 = 24472^2 + 20365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013612009 - 2²⁴ = 996834793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013612059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506806004 + 506806005.

It is an arithmetic number, because the mean of its divisors is an integer number (506806005).

Almost surely, 2^1013612009 is an apocalyptic number.

It is an amenable number.

1013612009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013612009 is an equidigital number, since it uses as much as digits as its factorization.

1013612009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1013612009 is about 31837.2738939753. The cubic root of 1013612009 is about 1004.5169032002.

The spelling of 1013612009 in words is "one billion, thirteen million, six hundred twelve thousand, nine".