149826326409 has 12 divisors (see below), whose sum is σ = 219645892336. Its totient is φ = 98393407992.

The previous prime is 149826326381. The next prime is 149826326411. The reversal of 149826326409 is 904623628941.

It is not a de Polignac number, because 149826326409 - 2¹³ = 149826318217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149826326449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124233499 + ... + 124234704.

Almost surely, 2^149826326409 is an apocalyptic number.

It is an amenable number.

149826326409 is a deficient number, since it is larger than the sum of its proper divisors (69819565927).

149826326409 is a wasteful number, since it uses less digits than its factorization.

149826326409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248468276 (or 248468273 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 149826326409 in words is "one hundred forty-nine billion, eight hundred twenty-six million, three hundred twenty-six thousand, four hundred nine".