42863786049193 has 4 divisors (see below), whose sum is σ = 42863812990288. Its totient is φ = 42863759108100.

The previous prime is 42863786049191. The next prime is 42863786049251. The reversal of 42863786049193 is 39194068736824.

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 42863786049193 - 2¹ = 42863786049191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42863786049191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10923483 + ... + 14319568.

It is an arithmetic number, because the mean of its divisors is an integer number (10715953247572).

Almost surely, 2^{42863786049193} is an apocalyptic number.

It is an amenable number.

42863786049193 is a deficient number, since it is larger than the sum of its proper divisors (26941095).

42863786049193 is a wasteful number, since it uses less digits than its factorization.

42863786049193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941094.

The product of its (nonzero) digits is 376233984, while the sum is 70.

The spelling of 42863786049193 in words is "forty-two trillion, eight hundred sixty-three billion, seven hundred eighty-six million, forty-nine thousand, one hundred ninety-three".