900809909963 has 2 divisors, whose sum is σ = 900809909964. Its totient is φ = 900809909962.

The previous prime is 900809909947. The next prime is 900809910061. The reversal of 900809909963 is 369909908009.

It is a weak prime.

It is an emirp because it is prime and its reverse (369909908009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900809909963 - 2⁴ = 900809909947 is a prime.

It is a super-2 number, since 2×900809909963² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900809909896 and 900809909905.

It is not a weakly prime, because it can be changed into another prime (900809909063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450404954981 + 450404954982.

It is an arithmetic number, because the mean of its divisors is an integer number (450404954982).

Almost surely, 2^900809909963 is an apocalyptic number.

900809909963 is a deficient number, since it is larger than the sum of its proper divisors (1).

900809909963 is an equidigital number, since it uses as much as digits as its factorization.

900809909963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8503056, while the sum is 62.

The spelling of 900809909963 in words is "nine hundred billion, eight hundred nine million, nine hundred nine thousand, nine hundred sixty-three".