405455463437 has 2 divisors, whose sum is σ = 405455463438. Its totient is φ = 405455463436.

The previous prime is 405455463419. The next prime is 405455463451. The reversal of 405455463437 is 734364554504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203309908201 + 202145555236 = 450899^2 + 449606^2 .

It is a cyclic number.

It is not a de Polignac number, because 405455463437 - 2⁸ = 405455463181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405455463487) 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, 202727731718 + 202727731719.

It is an arithmetic number, because the mean of its divisors is an integer number (202727731719).

Almost surely, 2^405455463437 is an apocalyptic number.

It is an amenable number.

405455463437 is a deficient number, since it is larger than the sum of its proper divisors (1).

405455463437 is an equidigital number, since it uses as much as digits as its factorization.

405455463437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 50.

The spelling of 405455463437 in words is "four hundred five billion, four hundred fifty-five million, four hundred sixty-three thousand, four hundred thirty-seven".