1789426688025 has 12 divisors (see below), whose sum is σ = 2958518790992. Its totient is φ = 954360900240.

The previous prime is 1789426688009. The next prime is 1789426688029. The reversal of 1789426688025 is 5208866249871.

It is not a de Polignac number, because 1789426688025 - 2⁴ = 1789426688009 is a prime.

It is a super-2 number, since 2×1789426688025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1789426688029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11929511179 + ... + 11929511328.

Almost surely, 2^{1789426688025} is an apocalyptic number.

1789426688025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1789426688025 is a deficient number, since it is larger than the sum of its proper divisors (1169092102967).

1789426688025 is a wasteful number, since it uses less digits than its factorization.

1789426688025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859022520 (or 23859022515 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 1789426688025 in words is "one trillion, seven hundred eighty-nine billion, four hundred twenty-six million, six hundred eighty-eight thousand, twenty-five".