2100677740397 has 2 divisors, whose sum is σ = 2100677740398. Its totient is φ = 2100677740396.

The previous prime is 2100677740373. The next prime is 2100677740477. The reversal of 2100677740397 is 7930477760012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1510160800996 + 590516939401 = 1228886^2 + 768451^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100677740397 - 2⁶ = 2100677740333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100677740307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050338870198 + 1050338870199.

It is an arithmetic number, because the mean of its divisors is an integer number (1050338870199).

Almost surely, 2^{2100677740397} is an apocalyptic number.

It is an amenable number.

2100677740397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100677740397 is an equidigital number, since it uses as much as digits as its factorization.

2100677740397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 53.

The spelling of 2100677740397 in words is "two trillion, one hundred billion, six hundred seventy-seven million, seven hundred forty thousand, three hundred ninety-seven".