149729216453 has 2 divisors, whose sum is σ = 149729216454. Its totient is φ = 149729216452.

The previous prime is 149729216449. The next prime is 149729216509. The reversal of 149729216453 is 354612927941.

149729216453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146793960769 + 2935255684 = 383137^2 + 54178^2 .

It is an emirp because it is prime and its reverse (354612927941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149729216453 - 2² = 149729216449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149729216395 and 149729216404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149729216353) 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 as a sum of consecutive naturals, namely, 74864608226 + 74864608227.

It is an arithmetic number, because the mean of its divisors is an integer number (74864608227).

Almost surely, 2^149729216453 is an apocalyptic number.

It is an amenable number.

149729216453 is a deficient number, since it is larger than the sum of its proper divisors (1).

149729216453 is an equidigital number, since it uses as much as digits as its factorization.

149729216453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The spelling of 149729216453 in words is "one hundred forty-nine billion, seven hundred twenty-nine million, two hundred sixteen thousand, four hundred fifty-three".