3607146821825 has 6 divisors (see below), whose sum is σ = 4472862059094. Its totient is φ = 2885717457440.

The previous prime is 3607146821821. The next prime is 3607146821849. The reversal of 3607146821825 is 5281286417063.

It can be written as a sum of positive squares in 3 ways, for example, as 136016390416 + 3471130431409 = 368804^2 + 1863097^2 .

It is not a de Polignac number, because 3607146821825 - 2² = 3607146821821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3607146821821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72142936412 + ... + 72142936461.

It is an arithmetic number, because the mean of its divisors is an integer number (745477009849).

Almost surely, 2^{3607146821825} is an apocalyptic number.

It is an amenable number.

3607146821825 is a deficient number, since it is larger than the sum of its proper divisors (865715237269).

3607146821825 is a wasteful number, since it uses less digits than its factorization.

3607146821825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144285872883 (or 144285872878 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 3607146821825 in words is "three trillion, six hundred seven billion, one hundred forty-six million, eight hundred twenty-one thousand, eight hundred twenty-five".