193495440730 has 8 divisors (see below), whose sum is σ = 348291793332. Its totient is φ = 77398176288.

The previous prime is 193495440703. The next prime is 193495440757. The reversal of 193495440730 is 37044594391.

193495440730 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 (193495440703) and next prime (193495440757).

It can be written as a sum of positive squares in 2 ways, for example, as 191170947361 + 2324493369 = 437231^2 + 48213^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 9674772027 + ... + 9674772046.

Almost surely, 2^193495440730 is an apocalyptic number.

193495440730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193495440730 is a deficient number, since it is larger than the sum of its proper divisors (154796352602).

193495440730 is a wasteful number, since it uses less digits than its factorization.

193495440730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19349544080.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 193495440730 in words is "one hundred ninety-three billion, four hundred ninety-five million, four hundred forty thousand, seven hundred thirty".