3531642103663 has 4 divisors (see below), whose sum is σ = 3685191760368. Its totient is φ = 3378092446960.

The previous prime is 3531642103621. The next prime is 3531642103697. The reversal of 3531642103663 is 3663012461353.

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 3531642103663 - 2²¹ = 3531640006511 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 (3531642107663) 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, 76774828318 + ... + 76774828363.

It is an arithmetic number, because the mean of its divisors is an integer number (921297940092).

Almost surely, 2^{3531642103663} is an apocalyptic number.

3531642103663 is a deficient number, since it is larger than the sum of its proper divisors (153549656705).

3531642103663 is a wasteful number, since it uses less digits than its factorization.

3531642103663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153549656704.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 3531642103663 in words is "three trillion, five hundred thirty-one billion, six hundred forty-two million, one hundred three thousand, six hundred sixty-three".