1945219795062 has 16 divisors (see below), whose sum is σ = 3894205758960. Its totient is φ = 647778903552.

The previous prime is 1945219795027. The next prime is 1945219795081. The reversal of 1945219795062 is 2605979125491.

It is a happy number.

It is a super-2 number, since 2×1945219795062² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1945219794987 and 1945219795005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156916987 + ... + 156929382.

It is an arithmetic number, because the mean of its divisors is an integer number (243387859935).

Almost surely, 2^{1945219795062} is an apocalyptic number.

1945219795062 is an abundant number, since it is smaller than the sum of its proper divisors (1948985963898).

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

1945219795062 is a wasteful number, since it uses less digits than its factorization.

1945219795062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313847407.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 1945219795062 in words is "one trillion, nine hundred forty-five billion, two hundred nineteen million, seven hundred ninety-five thousand, sixty-two".