3668821547005 has 32 divisors (see below), whose sum is σ = 4749628723200. Its totient is φ = 2711801996352.

The previous prime is 3668821546993. The next prime is 3668821547011. The reversal of 3668821547005 is 5007451288663.

It is a happy number.

It is not a de Polignac number, because 3668821547005 - 2²³ = 3668813158397 is a prime.

It is a super-2 number, since 2×3668821547005² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188145 + ... + 2715334.

It is an arithmetic number, because the mean of its divisors is an integer number (148425897600).

Almost surely, 2^{3668821547005} is an apocalyptic number.

It is an amenable number.

3668821547005 is a deficient number, since it is larger than the sum of its proper divisors (1080807176195).

3668821547005 is a wasteful number, since it uses less digits than its factorization.

3668821547005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903833.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 3668821547005 in words is "three trillion, six hundred sixty-eight billion, eight hundred twenty-one million, five hundred forty-seven thousand, five".