19470706013779 has 2 divisors, whose sum is σ = 19470706013780. Its totient is φ = 19470706013778.

The previous prime is 19470706013761. The next prime is 19470706013791. The reversal of 19470706013779 is 97731060707491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19470706013779 - 2⁹ = 19470706013267 is a prime.

It is a super-2 number, since 2×19470706013779² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19470706013179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9735353006889 + 9735353006890.

It is an arithmetic number, because the mean of its divisors is an integer number (9735353006890).

Almost surely, 2^{19470706013779} is an apocalyptic number.

19470706013779 is a deficient number, since it is larger than the sum of its proper divisors (1).

19470706013779 is an equidigital number, since it uses as much as digits as its factorization.

19470706013779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14002632, while the sum is 61.

The spelling of 19470706013779 in words is "nineteen trillion, four hundred seventy billion, seven hundred six million, thirteen thousand, seven hundred seventy-nine".