63670717122979 has 2 divisors, whose sum is σ = 63670717122980. Its totient is φ = 63670717122978.

The previous prime is 63670717122977. The next prime is 63670717123007. The reversal of 63670717122979 is 97922171707636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63670717122979 - 2¹ = 63670717122977 is a prime.

It is a super-2 number, since 2×63670717122979² (a number of 28 digits) contains 22 as substring.

Together with 63670717122977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63670717122977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31835358561489 + 31835358561490.

It is an arithmetic number, because the mean of its divisors is an integer number (31835358561490).

Almost surely, 2^{63670717122979} is an apocalyptic number.

63670717122979 is a deficient number, since it is larger than the sum of its proper divisors (1).

63670717122979 is an equidigital number, since it uses as much as digits as its factorization.

63670717122979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84015792, while the sum is 67.

The spelling of 63670717122979 in words is "sixty-three trillion, six hundred seventy billion, seven hundred seventeen million, one hundred twenty-two thousand, nine hundred seventy-nine".