4381691375 has 8 divisors (see below), whose sum is σ = 5468350992. Its totient is φ = 3505353000.

The previous prime is 4381691371. The next prime is 4381691381. The reversal of 4381691375 is 5731961834.

It is a happy number.

It is not a de Polignac number, because 4381691375 - 2² = 4381691371 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 (4381691371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17526641 + ... + 17526890.

It is an arithmetic number, because the mean of its divisors is an integer number (683543874).

Almost surely, 2^4381691375 is an apocalyptic number.

4381691375 is a deficient number, since it is larger than the sum of its proper divisors (1086659617).

4381691375 is an equidigital number, since it uses as much as digits as its factorization.

4381691375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35053546 (or 35053536 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 4381691375 is about 66194.3454911369. The cubic root of 4381691375 is about 1636.3665563103.

The spelling of 4381691375 in words is "four billion, three hundred eighty-one million, six hundred ninety-one thousand, three hundred seventy-five".