1945666730274 has 8 divisors (see below), whose sum is σ = 3891333460560. Its totient is φ = 648555576756.

The previous prime is 1945666730269. The next prime is 1945666730291. The reversal of 1945666730274 is 4720376665491.

It is a sphenic number, since it is the product of 3 distinct primes.

1945666730274 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162138894184 + ... + 162138894195.

It is an arithmetic number, because the mean of its divisors is an integer number (486416682570).

Almost surely, 2^{1945666730274} is an apocalyptic number.

1945666730274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1945666730274 is a wasteful number, since it uses less digits than its factorization.

1945666730274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324277788384.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 1945666730274 in words is "one trillion, nine hundred forty-five billion, six hundred sixty-six million, seven hundred thirty thousand, two hundred seventy-four".