2102351077 has 2 divisors, whose sum is σ = 2102351078. Its totient is φ = 2102351076.

The previous prime is 2102351033. The next prime is 2102351089. The reversal of 2102351077 is 7701532012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2067611841 + 34739236 = 45471^2 + 5894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102351077 - 2¹⁹ = 2101826789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102358077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051175538 + 1051175539.

It is an arithmetic number, because the mean of its divisors is an integer number (1051175539).

Almost surely, 2^2102351077 is an apocalyptic number.

It is an amenable number.

2102351077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102351077 is an equidigital number, since it uses as much as digits as its factorization.

2102351077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2102351077 is about 45851.4021268707. The cubic root of 2102351077 is about 1281.0568820274.

Adding to 2102351077 its reverse (7701532012), we get a palindrome (9803883089).

The spelling of 2102351077 in words is "two billion, one hundred two million, three hundred fifty-one thousand, seventy-seven".