2600320963 has 2 divisors, whose sum is σ = 2600320964. Its totient is φ = 2600320962.

The previous prime is 2600320949. The next prime is 2600320967. The reversal of 2600320963 is 3690230062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2600320963 is a prime.

It is a super-2 number, since 2×2600320963² = 13523338221234494738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2600320967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300160481 + 1300160482.

It is an arithmetic number, because the mean of its divisors is an integer number (1300160482).

Almost surely, 2^2600320963 is an apocalyptic number.

2600320963 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600320963 is an equidigital number, since it uses as much as digits as its factorization.

2600320963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 2600320963 is about 50993.3423399565. The cubic root of 2600320963 is about 1375.1254475958.

The spelling of 2600320963 in words is "two billion, six hundred million, three hundred twenty thousand, nine hundred sixty-three".