42263204215665 has 16 divisors (see below), whose sum is σ = 67711168210176. Its totient is φ = 22510361760000.

The previous prime is 42263204215651. The next prime is 42263204215669. The reversal of 42263204215665 is 56651240236224.

It is not a de Polignac number, because 42263204215665 - 2³⁰ = 42262130473841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42263204215669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1875852216 + ... + 1875874745.

It is an arithmetic number, because the mean of its divisors is an integer number (4231948013136).

Almost surely, 2^{42263204215665} is an apocalyptic number.

It is an amenable number.

42263204215665 is a deficient number, since it is larger than the sum of its proper divisors (25447963994511).

42263204215665 is a wasteful number, since it uses less digits than its factorization.

42263204215665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751727720.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 42263204215665 in words is "forty-two trillion, two hundred sixty-three billion, two hundred four million, two hundred fifteen thousand, six hundred sixty-five".