128651274653 has 8 divisors (see below), whose sum is σ = 141081647616. Its totient is φ = 116343368800.

The previous prime is 128651274641. The next prime is 128651274671. The reversal of 128651274653 is 356472156821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128651274653 - 2⁶ = 128651274589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128651274683) 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, 30614576 + ... + 30618777.

It is an arithmetic number, because the mean of its divisors is an integer number (17635205952).

Almost surely, 2^128651274653 is an apocalyptic number.

It is an amenable number.

128651274653 is a deficient number, since it is larger than the sum of its proper divisors (12430372963).

128651274653 is a wasteful number, since it uses less digits than its factorization.

128651274653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61233555.

The product of its digits is 2419200, while the sum is 50.

It can be divided in two parts, 128651 and 274653, that added together give a palindrome (403304).

The spelling of 128651274653 in words is "one hundred twenty-eight billion, six hundred fifty-one million, two hundred seventy-four thousand, six hundred fifty-three".