1794327963138 has 48 divisors (see below), whose sum is σ = 4249186546176. Its totient is φ = 544767500160.

The previous prime is 1794327963137. The next prime is 1794327963139. The reversal of 1794327963138 is 8313697234971.

It is a happy number.

1794327963138 is a `hidden beast` number, since 1 + 7 + 9 + 43 + 279 + 6 + 313 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1794327963137) and next prime (1794327963139).

It is a super-2 number, since 2×1794327963138² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1794327963133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94568206 + ... + 94587177.

It is an arithmetic number, because the mean of its divisors is an integer number (88524719712).

Almost surely, 2^{1794327963138} is an apocalyptic number.

1794327963138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1794327963138 is an abundant number, since it is smaller than the sum of its proper divisors (2454858583038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1794327963138 is a wasteful number, since it uses less digits than its factorization.

1794327963138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189155439 (or 189155436 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The spelling of 1794327963138 in words is "one trillion, seven hundred ninety-four billion, three hundred twenty-seven million, nine hundred sixty-three thousand, one hundred thirty-eight".