42689755330 has 8 divisors (see below), whose sum is σ = 76841559612. Its totient is φ = 17075902128.

The previous prime is 42689755321. The next prime is 42689755331. The reversal of 42689755330 is 3355798624.

It can be written as a sum of positive squares in 2 ways, for example, as 35527349169 + 7162406161 = 188487^2 + 84631^2 .

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

It is a super-3 number, since 3×42689755330³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42689755331) 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, 2134487757 + ... + 2134487776.

Almost surely, 2^42689755330 is an apocalyptic number.

42689755330 is a deficient number, since it is larger than the sum of its proper divisors (34151804282).

42689755330 is a wasteful number, since it uses less digits than its factorization.

42689755330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268975540.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 42689755330 in words is "forty-two billion, six hundred eighty-nine million, seven hundred fifty-five thousand, three hundred thirty".