149253895529 has 2 divisors, whose sum is σ = 149253895530. Its totient is φ = 149253895528.

The previous prime is 149253895517. The next prime is 149253895559. The reversal of 149253895529 is 925598352941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148130305129 + 1123590400 = 384877^2 + 33520^2 .

It is a cyclic number.

It is not a de Polignac number, because 149253895529 - 2³⁶ = 80534418793 is a prime.

It is not a weakly prime, because it can be changed into another prime (149253895559) 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 as a sum of consecutive naturals, namely, 74626947764 + 74626947765.

It is an arithmetic number, because the mean of its divisors is an integer number (74626947765).

Almost surely, 2^149253895529 is an apocalyptic number.

It is an amenable number.

149253895529 is a deficient number, since it is larger than the sum of its proper divisors (1).

149253895529 is an equidigital number, since it uses as much as digits as its factorization.

149253895529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992000, while the sum is 62.

The spelling of 149253895529 in words is "one hundred forty-nine billion, two hundred fifty-three million, eight hundred ninety-five thousand, five hundred twenty-nine".