19009795151 has 4 divisors (see below), whose sum is σ = 19011204600. Its totient is φ = 19008385704.

The previous prime is 19009795081. The next prime is 19009795187. The reversal of 19009795151 is 15159790091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15159790091 = 19 ⋅797883689.

It is a cyclic number.

It is not a de Polignac number, because 19009795151 - 2¹⁰ = 19009794127 is a prime.

It is a super-2 number, since 2×19009795151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19009795096 and 19009795105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19009795351) 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 in 3 ways as a sum of consecutive naturals, for example, 684296 + ... + 711533.

It is an arithmetic number, because the mean of its divisors is an integer number (4752801150).

Almost surely, 2^19009795151 is an apocalyptic number.

19009795151 is a deficient number, since it is larger than the sum of its proper divisors (1409449).

19009795151 is a wasteful number, since it uses less digits than its factorization.

19009795151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409448.

The product of its (nonzero) digits is 127575, while the sum is 47.

The spelling of 19009795151 in words is "nineteen billion, nine million, seven hundred ninety-five thousand, one hundred fifty-one".