3634421062542 has 8 divisors (see below), whose sum is σ = 7268842125096. Its totient is φ = 1211473687512.

The previous prime is 3634421062513. The next prime is 3634421062543. The reversal of 3634421062542 is 2452601244363.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3634421062542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3634421062494 and 3634421062503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634421062543) 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, 302868421873 + ... + 302868421884.

It is an arithmetic number, because the mean of its divisors is an integer number (908605265637).

Almost surely, 2^{3634421062542} is an apocalyptic number.

3634421062542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3634421062542 is a wasteful number, since it uses less digits than its factorization.

3634421062542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605736843762.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 3634421062542 in words is "three trillion, six hundred thirty-four billion, four hundred twenty-one million, sixty-two thousand, five hundred forty-two".