149803867947 has 16 divisors (see below), whose sum is σ = 208791572480. Its totient is φ = 95424264000.

The previous prime is 149803867921. The next prime is 149803867979. The reversal of 149803867947 is 749768308941.

It is not a de Polignac number, because 149803867947 - 2⁷ = 149803867819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149803867907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10187554 + ... + 10202247.

It is an arithmetic number, because the mean of its divisors is an integer number (13049473280).

Almost surely, 2^149803867947 is an apocalyptic number.

149803867947 is a deficient number, since it is larger than the sum of its proper divisors (58987704533).

149803867947 is a wasteful number, since it uses less digits than its factorization.

149803867947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20389914.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 149803867947 in words is "one hundred forty-nine billion, eight hundred three million, eight hundred sixty-seven thousand, nine hundred forty-seven".