4128619930 has 16 divisors (see below), whose sum is σ = 7432329960. Its totient is φ = 1651267072.

The previous prime is 4128619921. The next prime is 4128619939. The reversal of 4128619930 is 399168214.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4128619921) and next prime (4128619939).

It can be written as a sum of positive squares in 4 ways, for example, as 1017546201 + 3111073729 = 31899^2 + 55777^2 .

It is not an unprimeable number, because it can be changed into a prime (4128619939) 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 7 ways as a sum of consecutive naturals, for example, 110622 + ... + 143158.

Almost surely, 2^4128619930 is an apocalyptic number.

4128619930 is a deficient number, since it is larger than the sum of its proper divisors (3303710030).

4128619930 is a wasteful number, since it uses less digits than its factorization.

4128619930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45233.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 4128619930 is about 64254.3378302197. The cubic root of 4128619930 is about 1604.2361611572.

It can be divided in two parts, 41286 and 19930, that added together give a palindrome (61216).

The spelling of 4128619930 in words is "four billion, one hundred twenty-eight million, six hundred nineteen thousand, nine hundred thirty".