1830894138004 has 6 divisors (see below), whose sum is σ = 3204064741514. Its totient is φ = 915447069000.

The previous prime is 1830894138001. The next prime is 1830894138019. The reversal of 1830894138004 is 4008314980381.

It can be written as a sum of positive squares in only one way, i.e., 1819423299600 + 11470838404 = 1348860^2 + 107102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830894138001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228861767247 + ... + 228861767254.

Almost surely, 2^{1830894138004} is an apocalyptic number.

It is an amenable number.

1830894138004 is a deficient number, since it is larger than the sum of its proper divisors (1373170603510).

1830894138004 is a wasteful number, since it uses less digits than its factorization.

1830894138004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457723534505 (or 457723534503 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1830894138004 in words is "one trillion, eight hundred thirty billion, eight hundred ninety-four million, one hundred thirty-eight thousand, four".