4128377725 has 24 divisors (see below), whose sum is σ = 5332912640. Its totient is φ = 3166776000.

The previous prime is 4128377653. The next prime is 4128377731. The reversal of 4128377725 is 5277738214.

It is not a de Polignac number, because 4128377725 - 2⁹ = 4128377213 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 60040 + ... + 108910.

Almost surely, 2^4128377725 is an apocalyptic number.

It is an amenable number.

4128377725 is a deficient number, since it is larger than the sum of its proper divisors (1204534915).

4128377725 is a wasteful number, since it uses less digits than its factorization.

4128377725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49021 (or 49016 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 4128377725 is about 64252.4530660114. The cubic root of 4128377725 is about 1604.2047897688.

The spelling of 4128377725 in words is "four billion, one hundred twenty-eight million, three hundred seventy-seven thousand, seven hundred twenty-five".