1919213295946 has 16 divisors (see below), whose sum is σ = 2891126478240. Its totient is φ = 955512938160.

The previous prime is 1919213295943. The next prime is 1919213296003. The reversal of 1919213295946 is 6495923129191.

It is not an unprimeable number, because it can be changed into a prime (1919213295943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663216 + ... + 2569963.

It is an arithmetic number, because the mean of its divisors is an integer number (180695404890).

Almost surely, 2^{1919213295946} is an apocalyptic number.

1919213295946 is a deficient number, since it is larger than the sum of its proper divisors (971913182294).

1919213295946 is a wasteful number, since it uses less digits than its factorization.

1919213295946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234149.

The product of its digits is 9447840, while the sum is 61.

The spelling of 1919213295946 in words is "one trillion, nine hundred nineteen billion, two hundred thirteen million, two hundred ninety-five thousand, nine hundred forty-six".