654053122642 has 16 divisors (see below), whose sum is σ = 1011317788800. Its totient is φ = 317077249648.

The previous prime is 654053122559. The next prime is 654053122643. The reversal of 654053122642 is 246221350456.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 654053122595 and 654053122604.

It is not an unprimeable number, because it can be changed into a prime (654053122643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32504017 + ... + 32524132.

It is an arithmetic number, because the mean of its divisors is an integer number (63207361800).

Almost surely, 2^654053122642 is an apocalyptic number.

654053122642 is a deficient number, since it is larger than the sum of its proper divisors (357264666158).

654053122642 is a wasteful number, since it uses less digits than its factorization.

654053122642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65028305.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 654053122642 in words is "six hundred fifty-four billion, fifty-three million, one hundred twenty-two thousand, six hundred forty-two".