42793232657 has 8 divisors (see below), whose sum is σ = 51480580800. Its totient is φ = 34749391824.

The previous prime is 42793232653. The next prime is 42793232663. The reversal of 42793232657 is 75623239724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42793232657 - 2² = 42793232653 is a prime.

It is a super-2 number, since 2×42793232657² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42793232653) 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, 160876682 + ... + 160876947.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072600).

Almost surely, 2^42793232657 is an apocalyptic number.

It is an amenable number.

42793232657 is a deficient number, since it is larger than the sum of its proper divisors (8687348143).

42793232657 is a wasteful number, since it uses less digits than its factorization.

42793232657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321753655.

The product of its digits is 3810240, while the sum is 50.

The spelling of 42793232657 in words is "forty-two billion, seven hundred ninety-three million, two hundred thirty-two thousand, six hundred fifty-seven".