406396525127 has 2 divisors, whose sum is σ = 406396525128. Its totient is φ = 406396525126.

The previous prime is 406396525121. The next prime is 406396525177. The reversal of 406396525127 is 721525693604.

It is an a-pointer prime, because the next prime (406396525177) can be obtained adding 406396525127 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406396525127 - 2⁶ = 406396525063 is a prime.

It is a super-2 number, since 2×406396525127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406396525121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203198262563 + 203198262564.

It is an arithmetic number, because the mean of its divisors is an integer number (203198262564).

Almost surely, 2^406396525127 is an apocalyptic number.

406396525127 is a deficient number, since it is larger than the sum of its proper divisors (1).

406396525127 is an equidigital number, since it uses as much as digits as its factorization.

406396525127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 406396525127 in words is "four hundred six billion, three hundred ninety-six million, five hundred twenty-five thousand, one hundred twenty-seven".