2718439047 has 6 divisors (see below), whose sum is σ = 3926634192. Its totient is φ = 1812292692.

The previous prime is 2718439021. The next prime is 2718439049. The reversal of 2718439047 is 7409348172.

It is a de Polignac number, because none of the positive numbers 2^k-2718439047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2718438993 and 2718439011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718439049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151024383 + ... + 151024400.

It is an arithmetic number, because the mean of its divisors is an integer number (654439032).

Almost surely, 2^2718439047 is an apocalyptic number.

2718439047 is a deficient number, since it is larger than the sum of its proper divisors (1208195145).

2718439047 is a wasteful number, since it uses less digits than its factorization.

2718439047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302048789 (or 302048786 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2718439047 is about 52138.6521402309. The cubic root of 2718439047 is about 1395.6393307975.

The spelling of 2718439047 in words is "two billion, seven hundred eighteen million, four hundred thirty-nine thousand, forty-seven".