406362787139 has 2 divisors, whose sum is σ = 406362787140. Its totient is φ = 406362787138.

The previous prime is 406362787123. The next prime is 406362787231. The reversal of 406362787139 is 931787263604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406362787139 - 2⁴ = 406362787123 is a prime.

It is a super-4 number, since 4×406362787139⁴ (a number of 48 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (406362780139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203181393569 + 203181393570.

It is an arithmetic number, because the mean of its divisors is an integer number (203181393570).

Almost surely, 2^406362787139 is an apocalyptic number.

406362787139 is a deficient number, since it is larger than the sum of its proper divisors (1).

406362787139 is an equidigital number, since it uses as much as digits as its factorization.

406362787139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 406362787139 in words is "four hundred six billion, three hundred sixty-two million, seven hundred eighty-seven thousand, one hundred thirty-nine".