2471238539 has 12 divisors (see below), whose sum is σ = 3104366832. Its totient is φ = 1925639760.

The previous prime is 2471238533. The next prime is 2471238557. The reversal of 2471238539 is 9358321742.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2471238539 is a prime.

It is a super-2 number, since 2×2471238539² = 12214039833277709042, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2471238539.

It is not an unprimeable number, because it can be changed into a prime (2471238533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1457972 + ... + 1459665.

It is an arithmetic number, because the mean of its divisors is an integer number (258697236).

Almost surely, 2^2471238539 is an apocalyptic number.

2471238539 is a deficient number, since it is larger than the sum of its proper divisors (633128293).

2471238539 is a wasteful number, since it uses less digits than its factorization.

2471238539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917666 (or 2917655 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 2471238539 is about 49711.5533754478. The cubic root of 2471238539 is about 1351.9840126475.

The spelling of 2471238539 in words is "two billion, four hundred seventy-one million, two hundred thirty-eight thousand, five hundred thirty-nine".