42263197807 has 2 divisors, whose sum is σ = 42263197808. Its totient is φ = 42263197806.

The previous prime is 42263197771. The next prime is 42263197813. The reversal of 42263197807 is 70879136224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42263197807 - 2⁷ = 42263197679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42263197607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131598903 + 21131598904.

It is an arithmetic number, because the mean of its divisors is an integer number (21131598904).

Almost surely, 2^42263197807 is an apocalyptic number.

42263197807 is a deficient number, since it is larger than the sum of its proper divisors (1).

42263197807 is an equidigital number, since it uses as much as digits as its factorization.

42263197807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 42263197807 in words is "forty-two billion, two hundred sixty-three million, one hundred ninety-seven thousand, eight hundred seven".