2478670619836 has 24 divisors (see below), whose sum is σ = 4751204335920. Its totient is φ = 1126211396352.

The previous prime is 2478670619827. The next prime is 2478670619857. The reversal of 2478670619836 is 6389160768742.

It is a super-2 number, since 2×2478670619836² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628464210 + ... + 628468153.

It is an arithmetic number, because the mean of its divisors is an integer number (197966847330).

Almost surely, 2^{2478670619836} is an apocalyptic number.

It is an amenable number.

2478670619836 is a deficient number, since it is larger than the sum of its proper divisors (2272533716084).

2478670619836 is a wasteful number, since it uses less digits than its factorization.

2478670619836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256932413 (or 1256932411 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 2478670619836 in words is "two trillion, four hundred seventy-eight billion, six hundred seventy million, six hundred nineteen thousand, eight hundred thirty-six".