150165650549 has 4 divisors (see below), whose sum is σ = 155343776460. Its totient is φ = 144987524640.

The previous prime is 150165650507. The next prime is 150165650587. The reversal of 150165650549 is 945056561051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85268088049 + 64897562500 = 292007^2 + 254750^2 .

It is a cyclic number.

It is not a de Polignac number, because 150165650549 - 2¹² = 150165646453 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 (150165650249) 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, 2589062912 + ... + 2589062969.

It is an arithmetic number, because the mean of its divisors is an integer number (38835944115).

Almost surely, 2^150165650549 is an apocalyptic number.

It is an amenable number.

150165650549 is a deficient number, since it is larger than the sum of its proper divisors (5178125911).

150165650549 is an equidigital number, since it uses as much as digits as its factorization.

150165650549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178125910.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 150165650549 in words is "one hundred fifty billion, one hundred sixty-five million, six hundred fifty thousand, five hundred forty-nine".