149285728793 has 2 divisors, whose sum is σ = 149285728794. Its totient is φ = 149285728792.

The previous prime is 149285728763. The next prime is 149285728819. The reversal of 149285728793 is 397827582941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142890048064 + 6395680729 = 378008^2 + 79973^2 .

It is a cyclic number.

It is not a de Polignac number, because 149285728793 - 2¹⁰ = 149285727769 is a prime.

It is not a weakly prime, because it can be changed into another prime (149285728763) 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, 74642864396 + 74642864397.

It is an arithmetic number, because the mean of its divisors is an integer number (74642864397).

Almost surely, 2^149285728793 is an apocalyptic number.

It is an amenable number.

149285728793 is a deficient number, since it is larger than the sum of its proper divisors (1).

149285728793 is an equidigital number, since it uses as much as digits as its factorization.

149285728793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 65.

The spelling of 149285728793 in words is "one hundred forty-nine billion, two hundred eighty-five million, seven hundred twenty-eight thousand, seven hundred ninety-three".