19014576149 has 2 divisors, whose sum is σ = 19014576150. Its totient is φ = 19014576148.

The previous prime is 19014576107. The next prime is 19014576187. The reversal of 19014576149 is 94167541091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10475522500 + 8539053649 = 102350^2 + 92407^2 .

It is a cyclic number.

It is not a de Polignac number, because 19014576149 - 2³² = 14719608853 is a prime.

It is a super-2 number, since 2×19014576149² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19014546149) 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, 9507288074 + 9507288075.

It is an arithmetic number, because the mean of its divisors is an integer number (9507288075).

Almost surely, 2^19014576149 is an apocalyptic number.

It is an amenable number.

19014576149 is a deficient number, since it is larger than the sum of its proper divisors (1).

19014576149 is an equidigital number, since it uses as much as digits as its factorization.

19014576149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 19014576149 in words is "nineteen billion, fourteen million, five hundred seventy-six thousand, one hundred forty-nine".