10321957397 has 2 divisors, whose sum is σ = 10321957398. Its totient is φ = 10321957396.

The previous prime is 10321957391. The next prime is 10321957417. The reversal of 10321957397 is 79375912301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10288247761 + 33709636 = 101431^2 + 5806^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321957397 - 2⁶ = 10321957333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10321957391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160978698 + 5160978699.

It is an arithmetic number, because the mean of its divisors is an integer number (5160978699).

Almost surely, 2^10321957397 is an apocalyptic number.

It is an amenable number.

10321957397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321957397 is an equidigital number, since it uses as much as digits as its factorization.

10321957397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 357210, while the sum is 47.

The spelling of 10321957397 in words is "ten billion, three hundred twenty-one million, nine hundred fifty-seven thousand, three hundred ninety-seven".