653857978474 has 16 divisors (see below), whose sum is σ = 1012451109120. Its totient is φ = 316374814080.

The previous prime is 653857978469. The next prime is 653857978481. The reversal of 653857978474 is 474879758356.

It is a junction number, because it is equal to n+sod(n) for n = 653857978397 and 653857978406.

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, 2838042 + ... + 3059770.

It is an arithmetic number, because the mean of its divisors is an integer number (63278194320).

Almost surely, 2^653857978474 is an apocalyptic number.

653857978474 is a deficient number, since it is larger than the sum of its proper divisors (358593130646).

653857978474 is a wasteful number, since it uses less digits than its factorization.

653857978474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269325.

The product of its digits is 1422489600, while the sum is 73.

The spelling of 653857978474 in words is "six hundred fifty-three billion, eight hundred fifty-seven million, nine hundred seventy-eight thousand, four hundred seventy-four".