1063641407 has 2 divisors, whose sum is σ = 1063641408. Its totient is φ = 1063641406.

The previous prime is 1063641389. The next prime is 1063641409. The reversal of 1063641407 is 7041463601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1063641407 - 2⁶ = 1063641343 is a prime.

It is a super-2 number, since 2×1063641407² = 2262666085369879298, which contains 22 as substring.

Together with 1063641409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063641409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531820703 + 531820704.

It is an arithmetic number, because the mean of its divisors is an integer number (531820704).

Almost surely, 2^1063641407 is an apocalyptic number.

1063641407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063641407 is an equidigital number, since it uses as much as digits as its factorization.

1063641407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1063641407 is about 32613.5157105149. The cubic root of 1063641407 is about 1020.7790431206.

The spelling of 1063641407 in words is "one billion, sixty-three million, six hundred forty-one thousand, four hundred seven".