42404535011807 has 2 divisors, whose sum is σ = 42404535011808. Its totient is φ = 42404535011806.

The previous prime is 42404535011719. The next prime is 42404535011863. The reversal of 42404535011807 is 70811053540424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42404535011807 - 2³⁶ = 42335815535071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42404535071807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202267505903 + 21202267505904.

It is an arithmetic number, because the mean of its divisors is an integer number (21202267505904).

Almost surely, 2^{42404535011807} is an apocalyptic number.

42404535011807 is a deficient number, since it is larger than the sum of its proper divisors (1).

42404535011807 is an equidigital number, since it uses as much as digits as its factorization.

42404535011807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 42404535011807 in words is "forty-two trillion, four hundred four billion, five hundred thirty-five million, eleven thousand, eight hundred seven".