100809463 has 2 divisors, whose sum is σ = 100809464. Its totient is φ = 100809462.

The previous prime is 100809409. The next prime is 100809493. The reversal of 100809463 is 364908001.

It is a strong prime.

It is an emirp because it is prime and its reverse (364908001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100809463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100809493) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50404731 + 50404732.

It is an arithmetic number, because the mean of its divisors is an integer number (50404732).

Almost surely, 2^100809463 is an apocalyptic number.

100809463 is a deficient number, since it is larger than the sum of its proper divisors (1).

100809463 is an equidigital number, since it uses as much as digits as its factorization.

100809463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 100809463 is about 10040.3915760293. The cubic root of 100809463 is about 465.4079173837.

The spelling of 100809463 in words is "one hundred million, eight hundred nine thousand, four hundred sixty-three".