427234374193 has 4 divisors (see below), whose sum is σ = 466073862768. Its totient is φ = 388394885620.

The previous prime is 427234374103. The next prime is 427234374221. The reversal of 427234374193 is 391473432724.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427234374193 - 2²¹ = 427232277041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427234374103) 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 3 ways as a sum of consecutive naturals, for example, 19419744271 + ... + 19419744292.

It is an arithmetic number, because the mean of its divisors is an integer number (116518465692).

Almost surely, 2^427234374193 is an apocalyptic number.

It is an amenable number.

427234374193 is a deficient number, since it is larger than the sum of its proper divisors (38839488575).

427234374193 is a wasteful number, since it uses less digits than its factorization.

427234374193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38839488574.

The product of its digits is 3048192, while the sum is 49.

The spelling of 427234374193 in words is "four hundred twenty-seven billion, two hundred thirty-four million, three hundred seventy-four thousand, one hundred ninety-three".