2474919864 has 48 divisors (see below), whose sum is σ = 6726816720. Its totient is φ = 822030720.

The previous prime is 2474919851. The next prime is 2474919869. The reversal of 2474919864 is 4689194742.

2474919864 is a `hidden beast` number, since 2 + 4 + 7 + 491 + 98 + 64 = 666.

It is a super-3 number, since 3×2474919864³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2474919864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2474919869) 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, 40932 + ... + 81395.

It is an arithmetic number, because the mean of its divisors is an integer number (140142015).

Almost surely, 2^2474919864 is an apocalyptic number.

2474919864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2474919864 is an abundant number, since it is smaller than the sum of its proper divisors (4251896856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2474919864 is a wasteful number, since it uses less digits than its factorization.

2474919864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122620 (or 122613 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 2474919864 is about 49748.5664517079. The cubic root of 2474919864 is about 1352.6550153458.

The spelling of 2474919864 in words is "two billion, four hundred seventy-four million, nine hundred nineteen thousand, eight hundred sixty-four".