149673946655 has 4 divisors (see below), whose sum is σ = 179608735992. Its totient is φ = 119739157320.

The previous prime is 149673946621. The next prime is 149673946687. The reversal of 149673946655 is 556649376941.

149673946655 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, and also an emirpimes, since its reverse is a distinct semiprime: 556649376941 = 7 ⋅79521339563.

It is not a de Polignac number, because 149673946655 - 2⁸ = 149673946399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149673946591 and 149673946600.

It is a congruent number.

It is an unprimeable number.

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, 14967394661 + ... + 14967394670.

It is an arithmetic number, because the mean of its divisors is an integer number (44902183998).

Almost surely, 2^149673946655 is an apocalyptic number.

149673946655 is a deficient number, since it is larger than the sum of its proper divisors (29934789337).

149673946655 is an equidigital number, since it uses as much as digits as its factorization.

149673946655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29934789336.

The product of its digits is 146966400, while the sum is 65.

The spelling of 149673946655 in words is "one hundred forty-nine billion, six hundred seventy-three million, nine hundred forty-six thousand, six hundred fifty-five".