3651273013 has 2 divisors, whose sum is σ = 3651273014. Its totient is φ = 3651273012.

The previous prime is 3651272993. The next prime is 3651273049. The reversal of 3651273013 is 3103721563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3650938929 + 334084 = 60423^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651273013 - 2²⁵ = 3617718581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3651273053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825636506 + 1825636507.

It is an arithmetic number, because the mean of its divisors is an integer number (1825636507).

Almost surely, 2^3651273013 is an apocalyptic number.

It is an amenable number.

3651273013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651273013 is an equidigital number, since it uses as much as digits as its factorization.

3651273013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3651273013 is about 60425.7644800626. The cubic root of 3651273013 is about 1539.8607021078.

Adding to 3651273013 its reverse (3103721563), we get a palindrome (6754994576).

The spelling of 3651273013 in words is "three billion, six hundred fifty-one million, two hundred seventy-three thousand, thirteen".