40134434043463 has 2 divisors, whose sum is σ = 40134434043464. Its totient is φ = 40134434043462.

The previous prime is 40134434043461. The next prime is 40134434043467. The reversal of 40134434043463 is 36434043443104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40134434043463 - 2¹ = 40134434043461 is a prime.

It is a super-2 number, since 2×40134434043463² (a number of 28 digits) contains 22 as substring.

Together with 40134434043461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40134434043461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067217021731 + 20067217021732.

It is an arithmetic number, because the mean of its divisors is an integer number (20067217021732).

Almost surely, 2^{40134434043463} is an apocalyptic number.

40134434043463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40134434043463 is an equidigital number, since it uses as much as digits as its factorization.

40134434043463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 43.

Adding to 40134434043463 its reverse (36434043443104), we get a palindrome (76568477486567).

The spelling of 40134434043463 in words is "forty trillion, one hundred thirty-four billion, four hundred thirty-four million, forty-three thousand, four hundred sixty-three".