2009965213357 has 2 divisors, whose sum is σ = 2009965213358. Its totient is φ = 2009965213356.

The previous prime is 2009965213327. The next prime is 2009965213391. The reversal of 2009965213357 is 7533125699002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039245680356 + 970719533001 = 1019434^2 + 985251^2 .

It is a cyclic number.

It is not a de Polignac number, because 2009965213357 - 2²⁷ = 2009830995629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009965213307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004982606678 + 1004982606679.

It is an arithmetic number, because the mean of its divisors is an integer number (1004982606679).

Almost surely, 2^{2009965213357} is an apocalyptic number.

It is an amenable number.

2009965213357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009965213357 is an equidigital number, since it uses as much as digits as its factorization.

2009965213357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 2009965213357 in words is "two trillion, nine billion, nine hundred sixty-five million, two hundred thirteen thousand, three hundred fifty-seven".