10202140297 has 2 divisors, whose sum is σ = 10202140298. Its totient is φ = 10202140296.

The previous prime is 10202140279. The next prime is 10202140303. The reversal of 10202140297 is 79204120201.

Together with previous prime (10202140279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5624400016 + 4577740281 = 74996^2 + 67659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202140297 is a prime.

It is not a weakly prime, because it can be changed into another prime (10202140237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101070148 + 5101070149.

It is an arithmetic number, because the mean of its divisors is an integer number (5101070149).

Almost surely, 2^10202140297 is an apocalyptic number.

It is an amenable number.

10202140297 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202140297 is an equidigital number, since it uses as much as digits as its factorization.

10202140297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 10202140297 its reverse (79204120201), we get a palindrome (89406260498).

The spelling of 10202140297 in words is "ten billion, two hundred two million, one hundred forty thousand, two hundred ninety-seven".