2471742547 has 4 divisors (see below), whose sum is σ = 2601834280. Its totient is φ = 2341650816.

The previous prime is 2471742467. The next prime is 2471742563. The reversal of 2471742547 is 7452471742.

2471742547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-2471742547 is a prime.

It is a super-2 number, since 2×2471742547² = 12219022437300094418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2471740547) 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, 65045838 + ... + 65045875.

It is an arithmetic number, because the mean of its divisors is an integer number (650458570).

Almost surely, 2^2471742547 is an apocalyptic number.

2471742547 is a deficient number, since it is larger than the sum of its proper divisors (130091733).

2471742547 is a wasteful number, since it uses less digits than its factorization.

2471742547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130091732.

The product of its digits is 439040, while the sum is 43.

The square root of 2471742547 is about 49716.6224415939. The cubic root of 2471742547 is about 1352.0759185789.

The spelling of 2471742547 in words is "two billion, four hundred seventy-one million, seven hundred forty-two thousand, five hundred forty-seven".