403421564345627 has 2 divisors, whose sum is σ = 403421564345628. Its totient is φ = 403421564345626.

The previous prime is 403421564345467. The next prime is 403421564345699. The reversal of 403421564345627 is 726543465124304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403421564345627 is a prime.

It is not a weakly prime, because it can be changed into another prime (403421564365627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201710782172813 + 201710782172814.

It is an arithmetic number, because the mean of its divisors is an integer number (201710782172814).

Almost surely, 2^{403421564345627} is an apocalyptic number.

403421564345627 is a deficient number, since it is larger than the sum of its proper divisors (1).

403421564345627 is an equidigital number, since it uses as much as digits as its factorization.

403421564345627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58060800, while the sum is 56.

The spelling of 403421564345627 in words is "four hundred three trillion, four hundred twenty-one billion, five hundred sixty-four million, three hundred forty-five thousand, six hundred twenty-seven".