2471427869 has 4 divisors (see below), whose sum is σ = 2601503040. Its totient is φ = 2341352700.

The previous prime is 2471427857. The next prime is 2471427943. The reversal of 2471427869 is 9687241742.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471427869 is a prime.

It is a super-2 number, since 2×2471427869² = 12215911423339762322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471424869) 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, 65037557 + ... + 65037594.

It is an arithmetic number, because the mean of its divisors is an integer number (650375760).

Almost surely, 2^2471427869 is an apocalyptic number.

It is an amenable number.

2471427869 is a deficient number, since it is larger than the sum of its proper divisors (130075171).

2471427869 is a wasteful number, since it uses less digits than its factorization.

2471427869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130075170.

The product of its digits is 1354752, while the sum is 50.

The square root of 2471427869 is about 49713.4576246714. The cubic root of 2471427869 is about 1352.0185384656.

The spelling of 2471427869 in words is "two billion, four hundred seventy-one million, four hundred twenty-seven thousand, eight hundred sixty-nine".