4125511341949 has 2 divisors, whose sum is σ = 4125511341950. Its totient is φ = 4125511341948.

The previous prime is 4125511341911. The next prime is 4125511342013. The reversal of 4125511341949 is 9491431155214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3368759234724 + 756752107225 = 1835418^2 + 869915^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125511341949 - 2²⁵ = 4125477787517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125518341949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062755670974 + 2062755670975.

It is an arithmetic number, because the mean of its divisors is an integer number (2062755670975).

Almost surely, 2^{4125511341949} is an apocalyptic number.

It is an amenable number.

4125511341949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125511341949 is an equidigital number, since it uses as much as digits as its factorization.

4125511341949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 49.

The spelling of 4125511341949 in words is "four trillion, one hundred twenty-five billion, five hundred eleven million, three hundred forty-one thousand, nine hundred forty-nine".