2770136989 has 2 divisors, whose sum is σ = 2770136990. Its totient is φ = 2770136988.

The previous prime is 2770136987. The next prime is 2770137001. The reversal of 2770136989 is 9896310772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2416508964 + 353628025 = 49158^2 + 18805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770136989 - 2¹ = 2770136987 is a prime.

It is a super-2 number, since 2×2770136989² = 15347317875651972242, which contains 22 as substring.

Together with 2770136987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2770136987) 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, 1385068494 + 1385068495.

It is an arithmetic number, because the mean of its divisors is an integer number (1385068495).

Almost surely, 2^2770136989 is an apocalyptic number.

It is an amenable number.

2770136989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770136989 is an equidigital number, since it uses as much as digits as its factorization.

2770136989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 2770136989 is about 52632.0908666946. The cubic root of 2770136989 is about 1404.4310270744.

The spelling of 2770136989 in words is "two billion, seven hundred seventy million, one hundred thirty-six thousand, nine hundred eighty-nine".