149271688063 has 4 divisors (see below), whose sum is σ = 149591328120. Its totient is φ = 148952048008.

The previous prime is 149271688009. The next prime is 149271688067. The reversal of 149271688063 is 360886172941.

149271688063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149271688063 - 2¹³ = 149271679871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149271687995 and 149271688013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149271688067) 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 3 ways as a sum of consecutive naturals, for example, 159819328 + ... + 159820261.

It is an arithmetic number, because the mean of its divisors is an integer number (37397832030).

Almost surely, 2^149271688063 is an apocalyptic number.

149271688063 is a deficient number, since it is larger than the sum of its proper divisors (319640057).

149271688063 is an equidigital number, since it uses as much as digits as its factorization.

149271688063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319640056.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 149271688063 in words is "one hundred forty-nine billion, two hundred seventy-one million, six hundred eighty-eight thousand, sixty-three".