3261634361623 has 8 divisors (see below), whose sum is σ = 3558404448000. Its totient is φ = 2964907253880.

The previous prime is 3261634361539. The next prime is 3261634361683.

3261634361623 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-3261634361623 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 (3261634361683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10585873 + ... + 10889626.

It is an arithmetic number, because the mean of its divisors is an integer number (444800556000).

Almost surely, 2^{3261634361623} is an apocalyptic number.

3261634361623 is a deficient number, since it is larger than the sum of its proper divisors (296770086377).

3261634361623 is a wasteful number, since it uses less digits than its factorization.

3261634361623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21489317.

The product of its digits is 1679616, while the sum is 46.

The spelling of 3261634361623 in words is "three trillion, two hundred sixty-one billion, six hundred thirty-four million, three hundred sixty-one thousand, six hundred twenty-three".