4128620499 has 6 divisors (see below), whose sum is σ = 5963562956. Its totient is φ = 2752413660.

The previous prime is 4128620491. The next prime is 4128620513. The reversal of 4128620499 is 9940268214.

4128620499 is a `hidden beast` number, since 4 + 12 + 8 + 620 + 4 + 9 + 9 = 666.

It is not a de Polignac number, because 4128620499 - 2³ = 4128620491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128620491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229367797 + ... + 229367814.

Almost surely, 2^4128620499 is an apocalyptic number.

4128620499 is a deficient number, since it is larger than the sum of its proper divisors (1834942457).

4128620499 is a wasteful number, since it uses less digits than its factorization.

4128620499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458735617 (or 458735614 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4128620499 is about 64254.3422579362. The cubic root of 4128620499 is about 1604.2362348550.

The spelling of 4128620499 in words is "four billion, one hundred twenty-eight million, six hundred twenty thousand, four hundred ninety-nine".