42408101803 has 2 divisors, whose sum is σ = 42408101804. Its totient is φ = 42408101802.

The previous prime is 42408101797. The next prime is 42408101807. The reversal of 42408101803 is 30810180424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42408101803 is a prime.

It is a super-2 number, since 2×42408101803² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42408101807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21204050901 + 21204050902.

It is an arithmetic number, because the mean of its divisors is an integer number (21204050902).

Almost surely, 2^42408101803 is an apocalyptic number.

42408101803 is a deficient number, since it is larger than the sum of its proper divisors (1).

42408101803 is an equidigital number, since it uses as much as digits as its factorization.

42408101803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 42408101803 in words is "forty-two billion, four hundred eight million, one hundred one thousand, eight hundred three".