2471814845 has 4 divisors (see below), whose sum is σ = 2966177820. Its totient is φ = 1977451872.

The previous prime is 2471814827. The next prime is 2471814857. The reversal of 2471814845 is 5484181742.

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 1886078041 + 585736804 = 43429^2 + 24202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2471814845 - 2⁶ = 2471814781 is a prime.

It is a super-2 number, since 2×2471814845² = 12219737255924748050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2471814796 and 2471814805.

It is a congruent 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, 247181480 + ... + 247181489.

It is an arithmetic number, because the mean of its divisors is an integer number (741544455).

Almost surely, 2^2471814845 is an apocalyptic number.

It is an amenable number.

2471814845 is a deficient number, since it is larger than the sum of its proper divisors (494362975).

2471814845 is an equidigital number, since it uses as much as digits as its factorization.

2471814845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494362974.

The product of its digits is 286720, while the sum is 44.

The square root of 2471814845 is about 49717.3495371586. The cubic root of 2471814845 is about 1352.0891011050.

The spelling of 2471814845 in words is "two billion, four hundred seventy-one million, eight hundred fourteen thousand, eight hundred forty-five".