193426413390 has 48 divisors (see below), whose sum is σ = 574752773088. Its totient is φ = 44211751488.

The previous prime is 193426413379. The next prime is 193426413421. The reversal of 193426413390 is 93314624391.

It is a happy number.

193426413390 is a `hidden beast` number, since 1 + 9 + 3 + 426 + 4 + 133 + 90 = 666.

193426413390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 153512397 + ... + 153513656.

It is an arithmetic number, because the mean of its divisors is an integer number (11974016106).

Almost surely, 2^193426413390 is an apocalyptic number.

193426413390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193426413390 is an abundant number, since it is smaller than the sum of its proper divisors (381326359698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193426413390 is a wasteful number, since it uses less digits than its factorization.

193426413390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307026073 (or 307026070 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 193426413390 in words is "one hundred ninety-three billion, four hundred twenty-six million, four hundred thirteen thousand, three hundred ninety".