42862663090 has 32 divisors (see below), whose sum is σ = 83509438320. Its totient is φ = 15745868544.

The previous prime is 42862663079. The next prime is 42862663097. The reversal of 42862663090 is 9036626824.

It is a Cunningham number, because it is equal to 207033²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 9883739889 + 32978923201 = 99417^2 + 181601^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42862663090.

It is not an unprimeable number, because it can be changed into a prime (42862663097) 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 15 ways as a sum of consecutive naturals, for example, 811225 + ... + 862444.

Almost surely, 2^42862663090 is an apocalyptic number.

42862663090 is a deficient number, since it is larger than the sum of its proper divisors (40646775230).

42862663090 is a wasteful number, since it uses less digits than its factorization.

42862663090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673886.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 42862663090 in words is "forty-two billion, eight hundred sixty-two million, six hundred sixty-three thousand, ninety".