149750003009 has 4 divisors (see below), whose sum is σ = 150306694740. Its totient is φ = 149193311280.

The previous prime is 149750002999. The next prime is 149750003057. The reversal of 149750003009 is 900300057941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900300057941 = 34739 ⋅25916119.

It can be written as a sum of positive squares in 2 ways, for example, as 75365622784 + 74384380225 = 274528^2 + 272735^2 .

It is a cyclic number.

It is not a de Polignac number, because 149750003009 - 2³⁶ = 81030526273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149750003069) 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, 278345462 + ... + 278345999.

It is an arithmetic number, because the mean of its divisors is an integer number (37576673685).

Almost surely, 2^149750003009 is an apocalyptic number.

It is an amenable number.

149750003009 is a deficient number, since it is larger than the sum of its proper divisors (556691731).

149750003009 is an equidigital number, since it uses as much as digits as its factorization.

149750003009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556691730.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 149750003009 in words is "one hundred forty-nine billion, seven hundred fifty million, three thousand, nine".