19380145151 has 2 divisors, whose sum is σ = 19380145152. Its totient is φ = 19380145150.

The previous prime is 19380145073. The next prime is 19380145177. The reversal of 19380145151 is 15154108391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19380145151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19380145051) 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, 9690072575 + 9690072576.

It is an arithmetic number, because the mean of its divisors is an integer number (9690072576).

Almost surely, 2^19380145151 is an apocalyptic number.

19380145151 is a deficient number, since it is larger than the sum of its proper divisors (1).

19380145151 is an equidigital number, since it uses as much as digits as its factorization.

19380145151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 19380145151 in words is "nineteen billion, three hundred eighty million, one hundred forty-five thousand, one hundred fifty-one".