2108489028377 has 2 divisors, whose sum is σ = 2108489028378. Its totient is φ = 2108489028376.

The previous prime is 2108489028361. The next prime is 2108489028403. The reversal of 2108489028377 is 7738209848012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314900249481 + 793588778896 = 1146691^2 + 890836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108489028377 - 2⁴ = 2108489028361 is a prime.

It is a super-2 number, since 2×2108489028377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2108489028077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054244514188 + 1054244514189.

It is an arithmetic number, because the mean of its divisors is an integer number (1054244514189).

Almost surely, 2^{2108489028377} is an apocalyptic number.

It is an amenable number.

2108489028377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108489028377 is an equidigital number, since it uses as much as digits as its factorization.

2108489028377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 2108489028377 in words is "two trillion, one hundred eight billion, four hundred eighty-nine million, twenty-eight thousand, three hundred seventy-seven".