2100077125697 has 2 divisors, whose sum is σ = 2100077125698. Its totient is φ = 2100077125696.

The previous prime is 2100077125579. The next prime is 2100077125747. The reversal of 2100077125697 is 7965217700012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2099473489936 + 603635761 = 1448956^2 + 24569^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100077125697 - 2¹⁶ = 2100077060161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100077125897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050038562848 + 1050038562849.

It is an arithmetic number, because the mean of its divisors is an integer number (1050038562849).

Almost surely, 2^{2100077125697} is an apocalyptic number.

It is an amenable number.

2100077125697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100077125697 is an equidigital number, since it uses as much as digits as its factorization.

2100077125697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 47.

The spelling of 2100077125697 in words is "two trillion, one hundred billion, seventy-seven million, one hundred twenty-five thousand, six hundred ninety-seven".