42942727690 has 8 divisors (see below), whose sum is σ = 77296909860. Its totient is φ = 17177091072.

The previous prime is 42942727687. The next prime is 42942727703. The reversal of 42942727690 is 9672724924.

42942727690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42498234801 + 444492889 = 206151^2 + 21083^2 .

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

It is a super-2 number, since 2×42942727690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147136375 + ... + 2147136394.

Almost surely, 2^42942727690 is an apocalyptic number.

42942727690 is a deficient number, since it is larger than the sum of its proper divisors (34354182170).

42942727690 is a wasteful number, since it uses less digits than its factorization.

42942727690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294272776.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 42942727690 in words is "forty-two billion, nine hundred forty-two million, seven hundred twenty-seven thousand, six hundred ninety".