1794989494 has 16 divisors (see below), whose sum is σ = 2729689920. Its totient is φ = 885119040.

The previous prime is 1794989491. The next prime is 1794989501. The reversal of 1794989494 is 4949894971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1794989491) 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, 142642 + ... + 154714.

It is an arithmetic number, because the mean of its divisors is an integer number (170605620).

Almost surely, 2^1794989494 is an apocalyptic number.

1794989494 is a deficient number, since it is larger than the sum of its proper divisors (934700426).

1794989494 is a wasteful number, since it uses less digits than its factorization.

1794989494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095.

The product of its digits is 23514624, while the sum is 64.

The square root of 1794989494 is about 42367.3163417274. The cubic root of 1794989494 is about 1215.3106498480.

The spelling of 1794989494 in words is "one billion, seven hundred ninety-four million, nine hundred eighty-nine thousand, four hundred ninety-four".