1945720119708 has 18 divisors (see below), whose sum is σ = 4918348080464. Its totient is φ = 648573373224.

The previous prime is 1945720119703. The next prime is 1945720119793. The reversal of 1945720119708 is 8079110275491.

1945720119708 is a `hidden beast` number, since 1 + 9 + 457 + 2 + 0 + 119 + 70 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945720119703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27023890516 + ... + 27023890587.

Almost surely, 2^{1945720119708} is an apocalyptic number.

1945720119708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1945720119708 is an abundant number, since it is smaller than the sum of its proper divisors (2972627960756).

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

1945720119708 is a wasteful number, since it uses less digits than its factorization.

1945720119708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54047781113 (or 54047781108 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 1945720119708 in words is "one trillion, nine hundred forty-five billion, seven hundred twenty million, one hundred nineteen thousand, seven hundred eight".