3658385381047 has 4 divisors (see below), whose sum is σ = 3658589106640. Its totient is φ = 3658181655456.

The previous prime is 3658385380973. The next prime is 3658385381087. The reversal of 3658385381047 is 7401835838563.

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 3658385381047 - 2¹⁵ = 3658385348279 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 (3658385381087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101835858 + ... + 101871775.

It is an arithmetic number, because the mean of its divisors is an integer number (914647276660).

Almost surely, 2^{3658385381047} is an apocalyptic number.

3658385381047 is a deficient number, since it is larger than the sum of its proper divisors (203725593).

3658385381047 is a wasteful number, since it uses less digits than its factorization.

3658385381047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203725592.

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 3658385381047 in words is "three trillion, six hundred fifty-eight billion, three hundred eighty-five million, three hundred eighty-one thousand, forty-seven".