42729119097 has 16 divisors (see below), whose sum is σ = 65165654400. Its totient is φ = 24396158592.

The previous prime is 42729119093. The next prime is 42729119107. The reversal of 42729119097 is 79091192724.

It is a happy number.

It is not a de Polignac number, because 42729119097 - 2² = 42729119093 is a prime.

It is a super-2 number, since 2×42729119097² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42729119093) 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, 827722 + ... + 877827.

It is an arithmetic number, because the mean of its divisors is an integer number (4072853400).

Almost surely, 2^42729119097 is an apocalyptic number.

It is an amenable number.

42729119097 is a deficient number, since it is larger than the sum of its proper divisors (22436535303).

42729119097 is a wasteful number, since it uses less digits than its factorization.

42729119097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706752.

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 42729119097 in words is "forty-two billion, seven hundred twenty-nine million, one hundred nineteen thousand, ninety-seven".