10297596821 has 2 divisors, whose sum is σ = 10297596822. Its totient is φ = 10297596820.

The previous prime is 10297596817. The next prime is 10297596853. The reversal of 10297596821 is 12869579201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10283988100 + 13608721 = 101410^2 + 3689^2 .

It is an emirp because it is prime and its reverse (12869579201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10297596821 - 2² = 10297596817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10297596821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10297526821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5148798410 + 5148798411.

It is an arithmetic number, because the mean of its divisors is an integer number (5148798411).

Almost surely, 2^10297596821 is an apocalyptic number.

It is an amenable number.

10297596821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10297596821 is an equidigital number, since it uses as much as digits as its factorization.

10297596821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 10297596821 in words is "ten billion, two hundred ninety-seven million, five hundred ninety-six thousand, eight hundred twenty-one".