1820909230934 has 8 divisors (see below), whose sum is σ = 2892032308008. Its totient is φ = 856898461600.

The previous prime is 1820909230913. The next prime is 1820909230997. The reversal of 1820909230934 is 4390329090281.

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

It is a congruent 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, 26778076892 + ... + 26778076959.

It is an arithmetic number, because the mean of its divisors is an integer number (361504038501).

Almost surely, 2^{1820909230934} is an apocalyptic number.

1820909230934 is a deficient number, since it is larger than the sum of its proper divisors (1071123077074).

1820909230934 is a wasteful number, since it uses less digits than its factorization.

1820909230934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53556153870.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 1820909230934 in words is "one trillion, eight hundred twenty billion, nine hundred nine million, two hundred thirty thousand, nine hundred thirty-four".