150221433773 has 4 divisors (see below), whose sum is σ = 151060659840. Its totient is φ = 149382207708.

The previous prime is 150221433757. The next prime is 150221433781. The reversal of 150221433773 is 377334122051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 377334122051 = 139901 ⋅2697151.

It is a cyclic number.

It is not a de Polignac number, because 150221433773 - 2⁴ = 150221433757 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 (150221433743) 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, 419612765 + ... + 419613122.

It is an arithmetic number, because the mean of its divisors is an integer number (37765164960).

Almost surely, 2^150221433773 is an apocalyptic number.

It is an amenable number.

150221433773 is a deficient number, since it is larger than the sum of its proper divisors (839226067).

150221433773 is an equidigital number, since it uses as much as digits as its factorization.

150221433773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839226066.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 150221433773 in words is "one hundred fifty billion, two hundred twenty-one million, four hundred thirty-three thousand, seven hundred seventy-three".