6953848579649 has 2 divisors, whose sum is σ = 6953848579650. Its totient is φ = 6953848579648.

The previous prime is 6953848579621. The next prime is 6953848579651. The reversal of 6953848579649 is 9469758483596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6935812089649 + 18036490000 = 2633593^2 + 134300^2 .

It is a cyclic number.

It is not a de Polignac number, because 6953848579649 - 2⁸ = 6953848579393 is a prime.

Together with 6953848579651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6953848579609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3476924289824 + 3476924289825.

It is an arithmetic number, because the mean of its divisors is an integer number (3476924289825).

Almost surely, 2^{6953848579649} is an apocalyptic number.

It is an amenable number.

6953848579649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6953848579649 is an equidigital number, since it uses as much as digits as its factorization.

6953848579649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14108774400, while the sum is 83.

The spelling of 6953848579649 in words is "six trillion, nine hundred fifty-three billion, eight hundred forty-eight million, five hundred seventy-nine thousand, six hundred forty-nine".