19446116712 has 64 divisors (see below), whose sum is σ = 53372779200. Its totient is φ = 5855216640.

The previous prime is 19446116687. The next prime is 19446116737. The reversal of 19446116712 is 21761164491.

It is an interprime number because it is at equal distance from previous prime (19446116687) and next prime (19446116737).

It is a super-4 number, since 4×19446116712⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193137 + ... + 276032.

It is an arithmetic number, because the mean of its divisors is an integer number (833949675).

Almost surely, 2^19446116712 is an apocalyptic number.

19446116712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19446116712 is an abundant number, since it is smaller than the sum of its proper divisors (33926662488).

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

19446116712 is a wasteful number, since it uses less digits than its factorization.

19446116712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469346 (or 469342 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The spelling of 19446116712 in words is "nineteen billion, four hundred forty-six million, one hundred sixteen thousand, seven hundred twelve".