2471451249 has 4 divisors (see below), whose sum is σ = 3295268336. Its totient is φ = 1647634164.

The previous prime is 2471451221. The next prime is 2471451251. The reversal of 2471451249 is 9421541742.

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 not a de Polignac number, because 2471451249 - 2⁵ = 2471451217 is a prime.

It is a super-2 number, since 2×2471451249² = 12216142552367320002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2471451299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411908539 + ... + 411908544.

It is an arithmetic number, because the mean of its divisors is an integer number (823817084).

Almost surely, 2^2471451249 is an apocalyptic number.

It is an amenable number.

2471451249 is a deficient number, since it is larger than the sum of its proper divisors (823817087).

2471451249 is an equidigital number, since it uses as much as digits as its factorization.

2471451249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823817086.

The product of its digits is 80640, while the sum is 39.

The square root of 2471451249 is about 49713.6927717103. The cubic root of 2471451249 is about 1352.0228018706.

The spelling of 2471451249 in words is "two billion, four hundred seventy-one million, four hundred fifty-one thousand, two hundred forty-nine".