19124717404129 has 2 divisors, whose sum is σ = 19124717404130. Its totient is φ = 19124717404128.

The previous prime is 19124717404061. The next prime is 19124717404193. The reversal of 19124717404129 is 92140471742191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15853321714129 + 3271395690000 = 3981623^2 + 1808700^2 .

It is a cyclic number.

It is not a de Polignac number, because 19124717404129 - 2²⁵ = 19124683849697 is a prime.

It is not a weakly prime, because it can be changed into another prime (19124717404729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9562358702064 + 9562358702065.

It is an arithmetic number, because the mean of its divisors is an integer number (9562358702065).

Almost surely, 2^{19124717404129} is an apocalyptic number.

It is an amenable number.

19124717404129 is a deficient number, since it is larger than the sum of its proper divisors (1).

19124717404129 is an equidigital number, since it uses as much as digits as its factorization.

19124717404129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 19124717404129 in words is "nineteen trillion, one hundred twenty-four billion, seven hundred seventeen million, four hundred four thousand, one hundred twenty-nine".