2138714640047 has 4 divisors (see below), whose sum is σ = 2140629336456. Its totient is φ = 2136799943640.

The previous prime is 2138714640019. The next prime is 2138714640107. The reversal of 2138714640047 is 7400464178312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2138714640047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2138714639983 and 2138714640010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138714640247) 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, 957346529 + ... + 957348762.

It is an arithmetic number, because the mean of its divisors is an integer number (535157334114).

Almost surely, 2^{2138714640047} is an apocalyptic number.

2138714640047 is a deficient number, since it is larger than the sum of its proper divisors (1914696409).

2138714640047 is a wasteful number, since it uses less digits than its factorization.

2138714640047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914696408.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 2138714640047 in words is "two trillion, one hundred thirty-eight billion, seven hundred fourteen million, six hundred forty thousand, forty-seven".