2109927097 has 2 divisors, whose sum is σ = 2109927098. Its totient is φ = 2109927096.

The previous prime is 2109927047. The next prime is 2109927101. The reversal of 2109927097 is 7907299012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1601920576 + 508006521 = 40024^2 + 22539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2109927097 - 2¹⁵ = 2109894329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2109927037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054963548 + 1054963549.

It is an arithmetic number, because the mean of its divisors is an integer number (1054963549).

Almost surely, 2^2109927097 is an apocalyptic number.

It is an amenable number.

2109927097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109927097 is an equidigital number, since it uses as much as digits as its factorization.

2109927097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 2109927097 is about 45933.9427547865. The cubic root of 2109927097 is about 1282.5938403319.

It can be divided in two parts, 210992 and 7097, that added together give a square (218089 = 467²).

The spelling of 2109927097 in words is "two billion, one hundred nine million, nine hundred twenty-seven thousand, ninety-seven".