193412920477 has 8 divisors (see below), whose sum is σ = 228173768192. Its totient is φ = 160434680400.

The previous prime is 193412920471. The next prime is 193412920483. The reversal of 193412920477 is 774029214391.

193412920477 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 (193412920471) and next prime (193412920483).

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 193412920477 - 2¹⁹ = 193412396189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193412920477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193412920471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 445651674 + ... + 445652107.

It is an arithmetic number, because the mean of its divisors is an integer number (28521721024).

Almost surely, 2^193412920477 is an apocalyptic number.

It is an amenable number.

193412920477 is a deficient number, since it is larger than the sum of its proper divisors (34760847715).

193412920477 is an equidigital number, since it uses as much as digits as its factorization.

193412920477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891303819.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 193412920477 in words is "one hundred ninety-three billion, four hundred twelve million, nine hundred twenty thousand, four hundred seventy-seven".