153969031281 has 32 divisors (see below), whose sum is σ = 225106172928. Its totient is φ = 93035384640.

The previous prime is 153969031267. The next prime is 153969031291. The reversal of 153969031281 is 182130969351.

153969031281 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 153969031281 - 2⁹ = 153969030769 is a prime.

It is a super-2 number, since 2×153969031281² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153969031281.

It is not an unprimeable number, because it can be changed into a prime (153969031291) 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 31 ways as a sum of consecutive naturals, for example, 717910 + ... + 907376.

It is an arithmetic number, because the mean of its divisors is an integer number (7034567904).

Almost surely, 2^153969031281 is an apocalyptic number.

It is an amenable number.

153969031281 is a deficient number, since it is larger than the sum of its proper divisors (71137141647).

153969031281 is a wasteful number, since it uses less digits than its factorization.

153969031281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189861.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 153969031281 in words is "one hundred fifty-three billion, nine hundred sixty-nine million, thirty-one thousand, two hundred eighty-one".