2009936379277 has 2 divisors, whose sum is σ = 2009936379278. Its totient is φ = 2009936379276.

The previous prime is 2009936379259. The next prime is 2009936379323. The reversal of 2009936379277 is 7729736399002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1806602121801 + 203334257476 = 1344099^2 + 450926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2009936379277 is a prime.

It is a super-2 number, since 2×2009936379277² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009936379677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004968189638 + 1004968189639.

It is an arithmetic number, because the mean of its divisors is an integer number (1004968189639).

Almost surely, 2^{2009936379277} is an apocalyptic number.

It is an amenable number.

2009936379277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009936379277 is an equidigital number, since it uses as much as digits as its factorization.

2009936379277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54010152, while the sum is 64.

The spelling of 2009936379277 in words is "two trillion, nine billion, nine hundred thirty-six million, three hundred seventy-nine thousand, two hundred seventy-seven".