4128702016149 has 40 divisors (see below), whose sum is σ = 6438098798648. Its totient is φ = 2634173965440.

The previous prime is 4128702016141. The next prime is 4128702016181. The reversal of 4128702016149 is 9416102078214.

4128702016149 is a `hidden beast` number, since 4 + 1 + 2 + 8 + 7 + 0 + 20 + 1 + 614 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 693953649 + 4128008062500 = 26343^2 + 2031750^2 .

It is not a de Polignac number, because 4128702016149 - 2³ = 4128702016141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128702016141) 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 39 ways as a sum of consecutive naturals, for example, 11109082 + ... + 11474715.

Almost surely, 2^{4128702016149} is an apocalyptic number.

It is an amenable number.

4128702016149 is a deficient number, since it is larger than the sum of its proper divisors (2309396782499).

4128702016149 is a wasteful number, since it uses less digits than its factorization.

4128702016149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22583907 (or 22583898 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 4128702016149 in words is "four trillion, one hundred twenty-eight billion, seven hundred two million, sixteen thousand, one hundred forty-nine".