2471247937 has 4 divisors (see below), whose sum is σ = 2475240880. Its totient is φ = 2467254996.

The previous prime is 2471247931. The next prime is 2471247967. The reversal of 2471247937 is 7397421742.

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 not a de Polignac number, because 2471247937 - 2³ = 2471247929 is a prime.

It is a super-2 number, since 2×2471247937² = 12214132732253511938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2471247931) 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, 1995543 + ... + 1996780.

It is an arithmetic number, because the mean of its divisors is an integer number (618810220).

Almost surely, 2^2471247937 is an apocalyptic number.

It is an amenable number.

2471247937 is a deficient number, since it is larger than the sum of its proper divisors (3992943).

2471247937 is an equidigital number, since it uses as much as digits as its factorization.

2471247937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992942.

The product of its digits is 592704, while the sum is 46.

The square root of 2471247937 is about 49711.6479006681. The cubic root of 2471247937 is about 1351.9857264885.

The spelling of 2471247937 in words is "two billion, four hundred seventy-one million, two hundred forty-seven thousand, nine hundred thirty-seven".