19419893514 has 48 divisors (see below), whose sum is σ = 48099123072. Its totient is φ = 5547183264.

The previous prime is 19419893501. The next prime is 19419893527. The reversal of 19419893514 is 41539891491.

It is a happy number.

19419893514 is a `hidden beast` number, since 1 + 9 + 41 + 9 + 89 + 3 + 514 = 666.

It is an interprime number because it is at equal distance from previous prime (19419893501) and next prime (19419893527).

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, 571012 + ... + 604064.

It is an arithmetic number, because the mean of its divisors is an integer number (1002065064).

Almost surely, 2^19419893514 is an apocalyptic number.

19419893514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19419893514 is an abundant number, since it is smaller than the sum of its proper divisors (28679229558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19419893514 is a wasteful number, since it uses less digits than its factorization.

19419893514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37731 (or 37728 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The spelling of 19419893514 in words is "nineteen billion, four hundred nineteen million, eight hundred ninety-three thousand, five hundred fourteen".