149419422653 has 2 divisors, whose sum is σ = 149419422654. Its totient is φ = 149419422652.

The previous prime is 149419422631. The next prime is 149419422661. The reversal of 149419422653 is 356224914941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105639300484 + 43780122169 = 325022^2 + 209237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149419422653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149419422623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74709711326 + 74709711327.

It is an arithmetic number, because the mean of its divisors is an integer number (74709711327).

Almost surely, 2^149419422653 is an apocalyptic number.

It is an amenable number.

149419422653 is a deficient number, since it is larger than the sum of its proper divisors (1).

149419422653 is an equidigital number, since it uses as much as digits as its factorization.

149419422653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The spelling of 149419422653 in words is "one hundred forty-nine billion, four hundred nineteen million, four hundred twenty-two thousand, six hundred fifty-three".