7671220652269 has 2 divisors, whose sum is σ = 7671220652270. Its totient is φ = 7671220652268.

The previous prime is 7671220652267. The next prime is 7671220652281. The reversal of 7671220652269 is 9622560221767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5776091222500 + 1895129429769 = 2403350^2 + 1376637^2 .

It is an emirp because it is prime and its reverse (9622560221767) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7671220652269 - 2¹ = 7671220652267 is a prime.

It is a super-2 number, since 2×7671220652269² (a number of 27 digits) contains 22 as substring.

Together with 7671220652267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7671220652267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3835610326134 + 3835610326135.

It is an arithmetic number, because the mean of its divisors is an integer number (3835610326135).

Almost surely, 2^{7671220652269} is an apocalyptic number.

It is an amenable number.

7671220652269 is a deficient number, since it is larger than the sum of its proper divisors (1).

7671220652269 is an equidigital number, since it uses as much as digits as its factorization.

7671220652269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 7671220652269 in words is "seven trillion, six hundred seventy-one billion, two hundred twenty million, six hundred fifty-two thousand, two hundred sixty-nine".