7229107690397 has 2 divisors, whose sum is σ = 7229107690398. Its totient is φ = 7229107690396.

The previous prime is 7229107690393. The next prime is 7229107690421. The reversal of 7229107690397 is 7930967019227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744124380676 + 3484983309721 = 1934974^2 + 1866811^2 .

It is a cyclic number.

It is not a de Polignac number, because 7229107690397 - 2² = 7229107690393 is a prime.

It is a super-3 number, since 3×7229107690397³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7229107690393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614553845198 + 3614553845199.

It is an arithmetic number, because the mean of its divisors is an integer number (3614553845199).

Almost surely, 2^{7229107690397} is an apocalyptic number.

It is an amenable number.

7229107690397 is a deficient number, since it is larger than the sum of its proper divisors (1).

7229107690397 is an equidigital number, since it uses as much as digits as its factorization.

7229107690397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18003384, while the sum is 62.

The spelling of 7229107690397 in words is "seven trillion, two hundred twenty-nine billion, one hundred seven million, six hundred ninety thousand, three hundred ninety-seven".