3205605642046 has 8 divisors (see below), whose sum is σ = 4809234525624. Its totient is φ = 1602527466840.

The previous prime is 3205605641977. The next prime is 3205605642047. The reversal of 3205605642046 is 6402465065023.

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

It is a super-2 number, since 2×3205605642046² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3205605641993 and 3205605642011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205605642047) 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, 137662540 + ... + 137685823.

It is an arithmetic number, because the mean of its divisors is an integer number (601154315703).

Almost surely, 2^{3205605642046} is an apocalyptic number.

3205605642046 is a deficient number, since it is larger than the sum of its proper divisors (1603628883578).

3205605642046 is a wasteful number, since it uses less digits than its factorization.

3205605642046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275354186.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 3205605642046 in words is "three trillion, two hundred five billion, six hundred five million, six hundred forty-two thousand, forty-six".