3206450049581 has 8 divisors (see below), whose sum is σ = 3317108361600. Its totient is φ = 3095797808880.

The previous prime is 3206450049563. The next prime is 3206450049619. The reversal of 3206450049581 is 1859400546023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3206450049581 is a prime.

It is a super-2 number, since 2×3206450049581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206450049521) 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, 430121 + ... + 2568638.

It is an arithmetic number, because the mean of its divisors is an integer number (414638545200).

Almost surely, 2^{3206450049581} is an apocalyptic number.

It is an amenable number.

3206450049581 is a deficient number, since it is larger than the sum of its proper divisors (110658312019).

3206450049581 is a wasteful number, since it uses less digits than its factorization.

3206450049581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035659.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 3206450049581 in words is "three trillion, two hundred six billion, four hundred fifty million, forty-nine thousand, five hundred eighty-one".