6564120463 has 2 divisors, whose sum is σ = 6564120464. Its totient is φ = 6564120462.

The previous prime is 6564120403. The next prime is 6564120469. The reversal of 6564120463 is 3640214656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6564120463 - 2²⁹ = 6027249551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6564120469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282060231 + 3282060232.

It is an arithmetic number, because the mean of its divisors is an integer number (3282060232).

Almost surely, 2^6564120463 is an apocalyptic number.

6564120463 is a deficient number, since it is larger than the sum of its proper divisors (1).

6564120463 is an equidigital number, since it uses as much as digits as its factorization.

6564120463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 6564120463 is about 81019.2598275250. The cubic root of 6564120463 is about 1872.3721849557.

The spelling of 6564120463 in words is "six billion, five hundred sixty-four million, one hundred twenty thousand, four hundred sixty-three".