42662001731 has 2 divisors, whose sum is σ = 42662001732. Its totient is φ = 42662001730.

The previous prime is 42662001677. The next prime is 42662001751. The reversal of 42662001731 is 13710026624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42662001731 - 2⁶ = 42662001667 is a prime.

It is a super-2 number, since 2×42662001731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42662001751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331000865 + 21331000866.

It is an arithmetic number, because the mean of its divisors is an integer number (21331000866).

Almost surely, 2^42662001731 is an apocalyptic number.

42662001731 is a deficient number, since it is larger than the sum of its proper divisors (1).

42662001731 is an equidigital number, since it uses as much as digits as its factorization.

42662001731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 42662001731 in words is "forty-two billion, six hundred sixty-two million, one thousand, seven hundred thirty-one".