19006953118 has 16 divisors (see below), whose sum is σ = 29826519840. Its totient is φ = 9066905056.

The previous prime is 19006953103. The next prime is 19006953131. The reversal of 19006953118 is 81135960091.

It is a super-2 number, since 2×19006953118² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 513205 + ... + 548992.

It is an arithmetic number, because the mean of its divisors is an integer number (1864157490).

Almost surely, 2^19006953118 is an apocalyptic number.

19006953118 is a deficient number, since it is larger than the sum of its proper divisors (10819566722).

19006953118 is a wasteful number, since it uses less digits than its factorization.

19006953118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062611.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 19006953118 in words is "nineteen billion, six million, nine hundred fifty-three thousand, one hundred eighteen".