3725281184791 has 4 divisors (see below), whose sum is σ = 3725346037672. Its totient is φ = 3725216331912.

The previous prime is 3725281184761. The next prime is 3725281184813. The reversal of 3725281184791 is 1974811825273.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3725281184791 - 2¹³ = 3725281176599 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 (3725281184711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32340201 + ... + 32455186.

It is an arithmetic number, because the mean of its divisors is an integer number (931336509418).

Almost surely, 2^{3725281184791} is an apocalyptic number.

3725281184791 is a deficient number, since it is larger than the sum of its proper divisors (64852881).

3725281184791 is an equidigital number, since it uses as much as digits as its factorization.

3725281184791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64852880.

The product of its digits is 6773760, while the sum is 58.

The spelling of 3725281184791 in words is "three trillion, seven hundred twenty-five billion, two hundred eighty-one million, one hundred eighty-four thousand, seven hundred ninety-one".