42729053397 has 8 divisors (see below), whose sum is σ = 58511857056. Its totient is φ = 27716142672.

The previous prime is 42729053383. The next prime is 42729053401. The reversal of 42729053397 is 79335092724.

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

It is not a de Polignac number, because 42729053397 - 2²⁷ = 42594835669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42729053197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192473103 + ... + 192473324.

It is an arithmetic number, because the mean of its divisors is an integer number (7313982132).

Almost surely, 2^42729053397 is an apocalyptic number.

It is an amenable number.

42729053397 is a deficient number, since it is larger than the sum of its proper divisors (15782803659).

42729053397 is a wasteful number, since it uses less digits than its factorization.

42729053397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384946467.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 42729053397 in words is "forty-two billion, seven hundred twenty-nine million, fifty-three thousand, three hundred ninety-seven".