149467916999 has 4 divisors (see below), whose sum is σ = 149475585480. Its totient is φ = 149460248520.

The previous prime is 149467916957. The next prime is 149467917007. The reversal of 149467916999 is 999619764941.

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 149467916999 - 2²⁰ = 149466868423 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 (149467916599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3804929 + ... + 3844010.

It is an arithmetic number, because the mean of its divisors is an integer number (37368896370).

Almost surely, 2^149467916999 is an apocalyptic number.

149467916999 is a deficient number, since it is larger than the sum of its proper divisors (7668481).

149467916999 is an equidigital number, since it uses as much as digits as its factorization.

149467916999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668480.

The product of its digits is 238085568, while the sum is 74.

The spelling of 149467916999 in words is "one hundred forty-nine billion, four hundred sixty-seven million, nine hundred sixteen thousand, nine hundred ninety-nine".