42742989913 has 8 divisors (see below), whose sum is σ = 46108544328. Its totient is φ = 39388525824.

The previous prime is 42742989901. The next prime is 42742989923. The reversal of 42742989913 is 31998924724.

It can be written as a sum of positive squares in 4 ways, for example, as 289272064 + 42453717849 = 17008^2 + 206043^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42742989913 - 2⁵ = 42742989881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42742989923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2764570 + ... + 2779987.

It is an arithmetic number, because the mean of its divisors is an integer number (5763568041).

Almost surely, 2^42742989913 is an apocalyptic number.

It is an amenable number.

42742989913 is a deficient number, since it is larger than the sum of its proper divisors (3365554415).

42742989913 is a wasteful number, since it uses less digits than its factorization.

42742989913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545163.

The product of its digits is 7838208, while the sum is 58.

The spelling of 42742989913 in words is "forty-two billion, seven hundred forty-two million, nine hundred eighty-nine thousand, nine hundred thirteen".