2100626057 has 2 divisors, whose sum is σ = 2100626058. Its totient is φ = 2100626056.

The previous prime is 2100625871. The next prime is 2100626117. The reversal of 2100626057 is 7506260012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1328675401 + 771950656 = 36451^2 + 27784^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100626057 - 2¹² = 2100621961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100626257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050313028 + 1050313029.

It is an arithmetic number, because the mean of its divisors is an integer number (1050313029).

Almost surely, 2^2100626057 is an apocalyptic number.

It is an amenable number.

2100626057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100626057 is an equidigital number, since it uses as much as digits as its factorization.

2100626057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2100626057 is about 45832.5872824129. The cubic root of 2100626057 is about 1280.7064087801.

Adding to 2100626057 its reverse (7506260012), we get a palindrome (9606886069).

The spelling of 2100626057 in words is "two billion, one hundred million, six hundred twenty-six thousand, fifty-seven".