3631422154025 has 6 divisors (see below), whose sum is σ = 4502963471022. Its totient is φ = 2905137723200.

The previous prime is 3631422153941. The next prime is 3631422154037. The reversal of 3631422154025 is 5204512241363.

It can be written as a sum of positive squares in 3 ways, for example, as 1019154859024 + 2612267295001 = 1009532^2 + 1616251^2 .

It is not a de Polignac number, because 3631422154025 - 2⁸ = 3631422153769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3631422154025.

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 5 ways as a sum of consecutive naturals, for example, 72628443056 + ... + 72628443105.

It is an arithmetic number, because the mean of its divisors is an integer number (750493911837).

Almost surely, 2^{3631422154025} is an apocalyptic number.

It is an amenable number.

3631422154025 is a deficient number, since it is larger than the sum of its proper divisors (871541316997).

3631422154025 is a wasteful number, since it uses less digits than its factorization.

3631422154025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145256886171 (or 145256886166 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 3631422154025 its reverse (5204512241363), we get a palindrome (8835934395388).

The spelling of 3631422154025 in words is "three trillion, six hundred thirty-one billion, four hundred twenty-two million, one hundred fifty-four thousand, twenty-five".