19074095881 has 9 divisors (see below), whose sum is σ = 19212227149. Its totient is φ = 18936953644.

The previous prime is 19074095879. The next prime is 19074095939. The reversal of 19074095881 is 18859047091.

The square root of 19074095881 is 138109.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 19074095881 - 2¹ = 19074095879 is a prime.

It is a super-2 number, since 2×19074095881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19074095851) 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 8 ways as a sum of consecutive naturals, for example, 23063790 + ... + 23064616.

Almost surely, 2^19074095881 is an apocalyptic number.

19074095881 is the 138109-th square number.

19074095881 is the 69055-th centered octagonal number.

It is an amenable number.

19074095881 is a deficient number, since it is larger than the sum of its proper divisors (138131268).

19074095881 is an frugal number, since it uses more digits than its factorization.

19074095881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 19074095881 in words is "nineteen billion, seventy-four million, ninety-five thousand, eight hundred eighty-one".