19419274975 has 24 divisors (see below), whose sum is σ = 25227734528. Its totient is φ = 14809845600.

The previous prime is 19419274943. The next prime is 19419274991. The reversal of 19419274975 is 57947291491.

It is a happy number.

It is not a de Polignac number, because 19419274975 - 2⁵ = 19419274943 is a prime.

It is a super-2 number, since 2×19419274975² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135069 + ... + 238918.

Almost surely, 2^19419274975 is an apocalyptic number.

19419274975 is a deficient number, since it is larger than the sum of its proper divisors (5808459553).

19419274975 is a wasteful number, since it uses less digits than its factorization.

19419274975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374095 (or 374090 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 58.

The spelling of 19419274975 in words is "nineteen billion, four hundred nineteen million, two hundred seventy-four thousand, nine hundred seventy-five".