2108505463 has 2 divisors, whose sum is σ = 2108505464. Its totient is φ = 2108505462.

The previous prime is 2108505457. The next prime is 2108505547. The reversal of 2108505463 is 3645058012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108505463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108505433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054252731 + 1054252732.

It is an arithmetic number, because the mean of its divisors is an integer number (1054252732).

Almost surely, 2^2108505463 is an apocalyptic number.

2108505463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108505463 is an equidigital number, since it uses as much as digits as its factorization.

2108505463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2108505463 is about 45918.4653815870. The cubic root of 2108505463 is about 1282.3057121009.

The spelling of 2108505463 in words is "two billion, one hundred eight million, five hundred five thousand, four hundred sixty-three".