1794509134561 has 8 divisors (see below), whose sum is σ = 2108234507904. Its totient is φ = 1505881791120.

The previous prime is 1794509134519. The next prime is 1794509134567. The reversal of 1794509134561 is 1654319054971.

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

It is a cyclic number.

It is not a de Polignac number, because 1794509134561 - 2¹³ = 1794509126369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1794509134567) 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, 6274507321 + ... + 6274507606.

It is an arithmetic number, because the mean of its divisors is an integer number (263529313488).

Almost surely, 2^{1794509134561} is an apocalyptic number.

1794509134561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1794509134561 is a deficient number, since it is larger than the sum of its proper divisors (313725373343).

1794509134561 is a wasteful number, since it uses less digits than its factorization.

1794509134561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549014951.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 1794509134561 in words is "one trillion, seven hundred ninety-four billion, five hundred nine million, one hundred thirty-four thousand, five hundred sixty-one".