2102440297 has 2 divisors, whose sum is σ = 2102440298. Its totient is φ = 2102440296.

The previous prime is 2102440273. The next prime is 2102440343. The reversal of 2102440297 is 7920442012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1849344016 + 253096281 = 43004^2 + 15909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102440297 - 2²³ = 2094051689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102440267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051220148 + 1051220149.

It is an arithmetic number, because the mean of its divisors is an integer number (1051220149).

Almost surely, 2^2102440297 is an apocalyptic number.

It is an amenable number.

2102440297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102440297 is an equidigital number, since it uses as much as digits as its factorization.

2102440297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2102440297 is about 45852.3750420848. The cubic root of 2102440297 is about 1281.0750036880.

The spelling of 2102440297 in words is "two billion, one hundred two million, four hundred forty thousand, two hundred ninety-seven".