149929659547 has 4 divisors (see below), whose sum is σ = 157820694280. Its totient is φ = 142038624816.

The previous prime is 149929659541. The next prime is 149929659599. The reversal of 149929659547 is 745956929941.

It is a happy number.

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 149929659547 - 2⁷ = 149929659419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149929659541) 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, 3945517338 + ... + 3945517375.

It is an arithmetic number, because the mean of its divisors is an integer number (39455173570).

Almost surely, 2^149929659547 is an apocalyptic number.

149929659547 is a deficient number, since it is larger than the sum of its proper divisors (7891034733).

149929659547 is an equidigital number, since it uses as much as digits as its factorization.

149929659547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891034732.

The product of its digits is 220449600, while the sum is 70.

The spelling of 149929659547 in words is "one hundred forty-nine billion, nine hundred twenty-nine million, six hundred fifty-nine thousand, five hundred forty-seven".