4288739725 has 12 divisors (see below), whose sum is σ = 5320261044. Its totient is φ = 3429557120.

The previous prime is 4288739723. The next prime is 4288739771. The reversal of 4288739725 is 5279378824.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1371241 + 4287368484 = 1171^2 + 65478^2 .

It is not a de Polignac number, because 4288739725 - 2¹ = 4288739723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288739723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27297 + ... + 96553.

It is an arithmetic number, because the mean of its divisors is an integer number (443355087).

Almost surely, 2^4288739725 is an apocalyptic number.

It is an amenable number.

4288739725 is a deficient number, since it is larger than the sum of its proper divisors (1031521319).

4288739725 is a wasteful number, since it uses less digits than its factorization.

4288739725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71744 (or 71739 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The square root of 4288739725 is about 65488.4701684197. The cubic root of 4288739725 is about 1624.7126560962.

The spelling of 4288739725 in words is "four billion, two hundred eighty-eight million, seven hundred thirty-nine thousand, seven hundred twenty-five".