653144153478 has 16 divisors (see below), whose sum is σ = 1315686066240. Its totient is φ = 216148424616.

The previous prime is 653144153461. The next prime is 653144153479. The reversal of 653144153478 is 874351441356.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 653144153478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653144153479) 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, 391572400 + ... + 391574067.

It is an arithmetic number, because the mean of its divisors is an integer number (82230379140).

Almost surely, 2^653144153478 is an apocalyptic number.

653144153478 is an abundant number, since it is smaller than the sum of its proper divisors (662541912762).

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

653144153478 is a wasteful number, since it uses less digits than its factorization.

653144153478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783146611.

The product of its digits is 4838400, while the sum is 51.

The spelling of 653144153478 in words is "six hundred fifty-three billion, one hundred forty-four million, one hundred fifty-three thousand, four hundred seventy-eight".