2471742505 has 4 divisors (see below), whose sum is σ = 2966091012. Its totient is φ = 1977394000.

The previous prime is 2471742467. The next prime is 2471742563. The reversal of 2471742505 is 5052471742.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1865548864 + 606193641 = 43192^2 + 24621^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2471742505 is a prime.

It is a super-2 number, since 2×2471742505² = 12219022022047350050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247174246 + ... + 247174255.

It is an arithmetic number, because the mean of its divisors is an integer number (741522753).

Almost surely, 2^2471742505 is an apocalyptic number.

It is an amenable number.

2471742505 is a deficient number, since it is larger than the sum of its proper divisors (494348507).

2471742505 is an equidigital number, since it uses as much as digits as its factorization.

2471742505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494348506.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 2471742505 is about 49716.6220192000. The cubic root of 2471742505 is about 1352.0759109207.

The spelling of 2471742505 in words is "two billion, four hundred seventy-one million, seven hundred forty-two thousand, five hundred five".