153696476921 has 24 divisors (see below), whose sum is σ = 175390215840. Its totient is φ = 134251603200.

The previous prime is 153696476903. The next prime is 153696476987. The reversal of 153696476921 is 129674696351.

153696476921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 153696476921 - 2¹⁴ = 153696460537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153696476321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2801726 + ... + 2856056.

It is an arithmetic number, because the mean of its divisors is an integer number (7307925660).

Almost surely, 2^153696476921 is an apocalyptic number.

It is an amenable number.

153696476921 is a deficient number, since it is larger than the sum of its proper divisors (21693738919).

153696476921 is a wasteful number, since it uses less digits than its factorization.

153696476921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55257 (or 55244 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 59.

The spelling of 153696476921 in words is "one hundred fifty-three billion, six hundred ninety-six million, four hundred seventy-six thousand, nine hundred twenty-one".