4128992739 has 10 divisors (see below), whose sum is σ = 6168001620. Its totient is φ = 2752661772.

The previous prime is 4128992737. The next prime is 4128992779. The reversal of 4128992739 is 9372998214.

It is not a de Polignac number, because 4128992739 - 2¹ = 4128992737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4128992737) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25487529 + ... + 25487690.

It is an arithmetic number, because the mean of its divisors is an integer number (616800162).

Almost surely, 2^4128992739 is an apocalyptic number.

4128992739 is a deficient number, since it is larger than the sum of its proper divisors (2039008881).

4128992739 is an equidigital number, since it uses as much as digits as its factorization.

4128992739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50975231 (or 50975222 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 4128992739 is about 64257.2388062232. The cubic root of 4128992739 is about 1604.2844465155.

The spelling of 4128992739 in words is "four billion, one hundred twenty-eight million, nine hundred ninety-two thousand, seven hundred thirty-nine".