70272542561321 has 2 divisors, whose sum is σ = 70272542561322. Its totient is φ = 70272542561320.

The previous prime is 70272542561201. The next prime is 70272542561371. The reversal of 70272542561321 is 12316524527207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69970631874025 + 301910687296 = 8364845^2 + 549464^2 .

It is a cyclic number.

It is not a de Polignac number, because 70272542561321 - 2¹⁸ = 70272542299177 is a prime.

It is a super-2 number, since 2×70272542561321² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70272542561371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35136271280660 + 35136271280661.

It is an arithmetic number, because the mean of its divisors is an integer number (35136271280661).

Almost surely, 2^{70272542561321} is an apocalyptic number.

It is an amenable number.

70272542561321 is a deficient number, since it is larger than the sum of its proper divisors (1).

70272542561321 is an equidigital number, since it uses as much as digits as its factorization.

70272542561321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 70272542561321 in words is "seventy trillion, two hundred seventy-two billion, five hundred forty-two million, five hundred sixty-one thousand, three hundred twenty-one".