3618471947 has 8 divisors (see below), whose sum is σ = 3896262000. Its totient is φ = 3347897344.

The previous prime is 3618471919. The next prime is 3618471959. The reversal of 3618471947 is 7491748163.

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

It is a cyclic number.

It is not a de Polignac number, because 3618471947 - 2¹⁶ = 3618406411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3618471895 and 3618471904.

It is not an unprimeable number, because it can be changed into a prime (3618471917) 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, 1802822 + ... + 1804827.

It is an arithmetic number, because the mean of its divisors is an integer number (487032750).

Almost surely, 2^3618471947 is an apocalyptic number.

3618471947 is a deficient number, since it is larger than the sum of its proper divisors (277790053).

3618471947 is a wasteful number, since it uses less digits than its factorization.

3618471947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607725.

The product of its digits is 1016064, while the sum is 50.

The square root of 3618471947 is about 60153.7359355178. The cubic root of 3618471947 is about 1535.2357324517.

The spelling of 3618471947 in words is "three billion, six hundred eighteen million, four hundred seventy-one thousand, nine hundred forty-seven".