42729747386 has 8 divisors (see below), whose sum is σ = 64098575904. Its totient is φ = 21363555420.

The previous prime is 42729747383. The next prime is 42729747407. The reversal of 42729747386 is 68374792724.

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

It is not an unprimeable number, because it can be changed into a prime (42729747383) 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, 618110 + ... + 683753.

It is an arithmetic number, because the mean of its divisors is an integer number (8012321988).

Almost surely, 2^42729747386 is an apocalyptic number.

42729747386 is a deficient number, since it is larger than the sum of its proper divisors (21368828518).

42729747386 is a wasteful number, since it uses less digits than its factorization.

42729747386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318276.

The product of its digits is 28449792, while the sum is 59.

The spelling of 42729747386 in words is "forty-two billion, seven hundred twenty-nine million, seven hundred forty-seven thousand, three hundred eighty-six".