42729689374 has 8 divisors (see below), whose sum is σ = 64100067408. Its totient is φ = 21363000240.

The previous prime is 42729689311. The next prime is 42729689383. The reversal of 42729689374 is 47398692724.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 893082 + ... + 939709.

It is an arithmetic number, because the mean of its divisors is an integer number (8012508426).

Almost surely, 2^42729689374 is an apocalyptic number.

42729689374 is a deficient number, since it is larger than the sum of its proper divisors (21370378034).

42729689374 is a wasteful number, since it uses less digits than its factorization.

42729689374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844450.

The product of its digits is 36578304, while the sum is 61.

The spelling of 42729689374 in words is "forty-two billion, seven hundred twenty-nine million, six hundred eighty-nine thousand, three hundred seventy-four".