4145534485019 has 4 divisors (see below), whose sum is σ = 4389389454744. Its totient is φ = 3901679515296.

The previous prime is 4145534485007. The next prime is 4145534485123. The reversal of 4145534485019 is 9105844355414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4145534485019 is a prime.

It is a super-2 number, since 2×4145534485019² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145534485219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121927484837 + ... + 121927484870.

It is an arithmetic number, because the mean of its divisors is an integer number (1097347363686).

Almost surely, 2^{4145534485019} is an apocalyptic number.

4145534485019 is a deficient number, since it is larger than the sum of its proper divisors (243854969725).

4145534485019 is a wasteful number, since it uses less digits than its factorization.

4145534485019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243854969724.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 4145534485019 in words is "four trillion, one hundred forty-five billion, five hundred thirty-four million, four hundred eighty-five thousand, nineteen".