149779423759 has 32 divisors (see below), whose sum is σ = 179196272640. Its totient is φ = 122530780512.

The previous prime is 149779423753. The next prime is 149779423769. The reversal of 149779423759 is 957324977941.

149779423759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149779423759 - 2⁷ = 149779423631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149779423694 and 149779423703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149779423753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2940502 + ... + 2991004.

It is an arithmetic number, because the mean of its divisors is an integer number (5599883520).

Almost surely, 2^149779423759 is an apocalyptic number.

149779423759 is a deficient number, since it is larger than the sum of its proper divisors (29416848881).

149779423759 is a wasteful number, since it uses less digits than its factorization.

149779423759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50779.

The product of its digits is 120022560, while the sum is 67.

The spelling of 149779423759 in words is "one hundred forty-nine billion, seven hundred seventy-nine million, four hundred twenty-three thousand, seven hundred fifty-nine".