1906849223330 has 16 divisors (see below), whose sum is σ = 3438490781880. Its totient is φ = 761370316032.

The previous prime is 1906849223327. The next prime is 1906849223347. The reversal of 1906849223330 is 333229486091.

It can be written as a sum of positive squares in 4 ways, for example, as 1246824591769 + 660024631561 = 1116613^2 + 812419^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171165815 + ... + 171176954.

Almost surely, 2^{1906849223330} is an apocalyptic number.

1906849223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906849223330 is a deficient number, since it is larger than the sum of its proper divisors (1531641558550).

1906849223330 is a wasteful number, since it uses less digits than its factorization.

1906849223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342343333.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 1906849223330 in words is "one trillion, nine hundred six billion, eight hundred forty-nine million, two hundred twenty-three thousand, three hundred thirty".