42729614519 has 4 divisors (see below), whose sum is σ = 42944336400. Its totient is φ = 42514892640.

The previous prime is 42729614497. The next prime is 42729614527. The reversal of 42729614519 is 91541692724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42729614519 - 2¹² = 42729610423 is a prime.

It is a super-2 number, since 2×42729614519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42729614569) 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, 107360642 + ... + 107361039.

It is an arithmetic number, because the mean of its divisors is an integer number (10736084100).

Almost surely, 2^42729614519 is an apocalyptic number.

42729614519 is a deficient number, since it is larger than the sum of its proper divisors (214721881).

42729614519 is a wasteful number, since it uses less digits than its factorization.

42729614519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214721880.

The product of its digits is 1088640, while the sum is 50.

The spelling of 42729614519 in words is "forty-two billion, seven hundred twenty-nine million, six hundred fourteen thousand, five hundred nineteen".