2617145047 has 4 divisors (see below), whose sum is σ = 2855067336. Its totient is φ = 2379222760.

The previous prime is 2617144997. The next prime is 2617145051. The reversal of 2617145047 is 7405417162.

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-2617145047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2617144997 and 2617145015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2617115047) 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, 118961128 + ... + 118961149.

It is an arithmetic number, because the mean of its divisors is an integer number (713766834).

Almost surely, 2^2617145047 is an apocalyptic number.

2617145047 is a deficient number, since it is larger than the sum of its proper divisors (237922289).

2617145047 is a wasteful number, since it uses less digits than its factorization.

2617145047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237922288.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2617145047 is about 51158.0399057665. The cubic root of 2617145047 is about 1378.0847629972.

The spelling of 2617145047 in words is "two billion, six hundred seventeen million, one hundred forty-five thousand, forty-seven".