42072534863 has 2 divisors, whose sum is σ = 42072534864. Its totient is φ = 42072534862.

The previous prime is 42072534811. The next prime is 42072534871. The reversal of 42072534863 is 36843527024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42072534863 - 2⁶ = 42072534799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42072534463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21036267431 + 21036267432.

It is an arithmetic number, because the mean of its divisors is an integer number (21036267432).

Almost surely, 2^42072534863 is an apocalyptic number.

42072534863 is a deficient number, since it is larger than the sum of its proper divisors (1).

42072534863 is an equidigital number, since it uses as much as digits as its factorization.

42072534863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 42072534863 in words is "forty-two billion, seventy-two million, five hundred thirty-four thousand, eight hundred sixty-three".