153850971789 has 12 divisors (see below), whose sum is σ = 223456969372. Its totient is φ = 102000643200.

The previous prime is 153850971779. The next prime is 153850971809. The reversal of 153850971789 is 987179058351.

153850971789 is a `hidden beast` number, since 1 + 5 + 38 + 509 + 7 + 17 + 89 = 666.

153850971789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59654154564 + 94196817225 = 244242^2 + 306915^2 .

It is a de Polignac number, because none of the positive numbers 2^k-153850971789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153850971779) 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 11 ways as a sum of consecutive naturals, for example, 47220892 + ... + 47224149.

Almost surely, 2^153850971789 is an apocalyptic number.

It is an amenable number.

153850971789 is a deficient number, since it is larger than the sum of its proper divisors (69605997583).

153850971789 is a wasteful number, since it uses less digits than its factorization.

153850971789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94445228 (or 94445225 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 63.

The spelling of 153850971789 in words is "one hundred fifty-three billion, eight hundred fifty million, nine hundred seventy-one thousand, seven hundred eighty-nine".