42813193643 has 16 divisors (see below), whose sum is σ = 47030167296. Its totient is φ = 38650815840.

The previous prime is 42813193597. The next prime is 42813193651. The reversal of 42813193643 is 34639131824.

It is a cyclic number.

It is not a de Polignac number, because 42813193643 - 2⁸ = 42813193387 is a prime.

It is a super-2 number, since 2×42813193643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42813193594 and 42813193603.

It is not an unprimeable number, because it can be changed into a prime (42813193673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1997180 + ... + 2018502.

It is an arithmetic number, because the mean of its divisors is an integer number (2939385456).

Almost surely, 2^42813193643 is an apocalyptic number.

42813193643 is a deficient number, since it is larger than the sum of its proper divisors (4216973653).

42813193643 is a wasteful number, since it uses less digits than its factorization.

42813193643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594.

The product of its digits is 373248, while the sum is 44.

The spelling of 42813193643 in words is "forty-two billion, eight hundred thirteen million, one hundred ninety-three thousand, six hundred forty-three".