1913045393228 has 6 divisors (see below), whose sum is σ = 3347829438156. Its totient is φ = 956522696612.

The previous prime is 1913045393159. The next prime is 1913045393243. The reversal of 1913045393228 is 8223935403191.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239130674150 + ... + 239130674157.

It is an arithmetic number, because the mean of its divisors is an integer number (557971573026).

Almost surely, 2^{1913045393228} is an apocalyptic number.

It is an amenable number.

1913045393228 is a deficient number, since it is larger than the sum of its proper divisors (1434784044928).

1913045393228 is a wasteful number, since it uses less digits than its factorization.

1913045393228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478261348311 (or 478261348309 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 1913045393228 in words is "one trillion, nine hundred thirteen billion, forty-five million, three hundred ninety-three thousand, two hundred twenty-eight".