2697952321 has 2 divisors, whose sum is σ = 2697952322. Its totient is φ = 2697952320.

The previous prime is 2697952307. The next prime is 2697952337. The reversal of 2697952321 is 1232597962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2650190400 + 47761921 = 51480^2 + 6911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2697952321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2697952391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348976160 + 1348976161.

It is an arithmetic number, because the mean of its divisors is an integer number (1348976161).

Almost surely, 2^2697952321 is an apocalyptic number.

It is an amenable number.

2697952321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697952321 is an equidigital number, since it uses as much as digits as its factorization.

2697952321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 2697952321 is about 51941.8166894459. The cubic root of 2697952321 is about 1392.1245431310.

The spelling of 2697952321 in words is "two billion, six hundred ninety-seven million, nine hundred fifty-two thousand, three hundred twenty-one".