4128371481 has 16 divisors (see below), whose sum is σ = 6025100480. Its totient is φ = 2498886720.

The previous prime is 4128371479. The next prime is 4128371501. The reversal of 4128371481 is 1841738214.

It is not a de Polignac number, because 4128371481 - 2¹ = 4128371479 is a prime.

It is a super-2 number, since 2×4128371481² = 34086902170268266722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128371411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865291 + ... + 870048.

It is an arithmetic number, because the mean of its divisors is an integer number (376568780).

Almost surely, 2^4128371481 is an apocalyptic number.

It is an amenable number.

4128371481 is a deficient number, since it is larger than the sum of its proper divisors (1896728999).

4128371481 is a wasteful number, since it uses less digits than its factorization.

4128371481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735416.

The product of its digits is 43008, while the sum is 39.

The square root of 4128371481 is about 64252.4044764085. The cubic root of 4128371481 is about 1604.2039810040.

The spelling of 4128371481 in words is "four billion, one hundred twenty-eight million, three hundred seventy-one thousand, four hundred eighty-one".