194401365765 has 16 divisors (see below), whose sum is σ = 311581267008. Its totient is φ = 103501034496.

The previous prime is 194401365731. The next prime is 194401365799. The reversal of 194401365765 is 567563104491.

194401365765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (194401365731) and next prime (194401365799).

It is not a de Polignac number, because 194401365765 - 2¹² = 194401361669 is a prime.

It is a super-2 number, since 2×194401365765² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11221927 + ... + 11239236.

It is an arithmetic number, because the mean of its divisors is an integer number (19473829188).

Almost surely, 2^194401365765 is an apocalyptic number.

194401365765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194401365765 is a deficient number, since it is larger than the sum of its proper divisors (117179901243).

194401365765 is a wasteful number, since it uses less digits than its factorization.

194401365765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22461748.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 194401365765 in words is "one hundred ninety-four billion, four hundred one million, three hundred sixty-five thousand, seven hundred sixty-five".