149737669205 has 8 divisors (see below), whose sum is σ = 179796610872. Its totient is φ = 119715863488.

The previous prime is 149737669199. The next prime is 149737669261. The reversal of 149737669205 is 502966737941.

It can be written as a sum of positive squares in 4 ways, for example, as 45119707396 + 104617961809 = 212414^2 + 323447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149737669205 - 2²⁰ = 149736620629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9275114 + ... + 9291243.

It is an arithmetic number, because the mean of its divisors is an integer number (22474576359).

Almost surely, 2^149737669205 is an apocalyptic number.

It is an amenable number.

149737669205 is a deficient number, since it is larger than the sum of its proper divisors (30058941667).

149737669205 is a wasteful number, since it uses less digits than its factorization.

149737669205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18567975.

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 149737669205 in words is "one hundred forty-nine billion, seven hundred thirty-seven million, six hundred sixty-nine thousand, two hundred five".