2107475790557 has 2 divisors, whose sum is σ = 2107475790558. Its totient is φ = 2107475790556.

The previous prime is 2107475790529. The next prime is 2107475790559. The reversal of 2107475790557 is 7550975747012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2095606559641 + 11869230916 = 1447621^2 + 108946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2107475790557 - 2²⁸ = 2107207355101 is a prime.

Together with 2107475790559, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2107475790496 and 2107475790505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2107475790559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053737895278 + 1053737895279.

It is an arithmetic number, because the mean of its divisors is an integer number (1053737895279).

Almost surely, 2^{2107475790557} is an apocalyptic number.

It is an amenable number.

2107475790557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107475790557 is an equidigital number, since it uses as much as digits as its factorization.

2107475790557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21609000, while the sum is 59.

The spelling of 2107475790557 in words is "two trillion, one hundred seven billion, four hundred seventy-five million, seven hundred ninety thousand, five hundred fifty-seven".