2141689097 has 2 divisors, whose sum is σ = 2141689098. Its totient is φ = 2141689096.

The previous prime is 2141689073. The next prime is 2141689133. The reversal of 2141689097 is 7909861412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138320121 + 1003368976 = 33739^2 + 31676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141689097 - 2¹² = 2141685001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141689897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070844548 + 1070844549.

It is an arithmetic number, because the mean of its divisors is an integer number (1070844549).

Almost surely, 2^2141689097 is an apocalyptic number.

It is an amenable number.

2141689097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141689097 is an equidigital number, since it uses as much as digits as its factorization.

2141689097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 2141689097 is about 46278.3869316985. The cubic root of 2141689097 is about 1288.9976984902.

The spelling of 2141689097 in words is "two billion, one hundred forty-one million, six hundred eighty-nine thousand, ninety-seven".