2641563097 has 2 divisors, whose sum is σ = 2641563098. Its totient is φ = 2641563096.

The previous prime is 2641563079. The next prime is 2641563109. The reversal of 2641563097 is 7903651462.

Together with previous prime (2641563079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2183132176 + 458430921 = 46724^2 + 21411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2641563097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2641563017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320781548 + 1320781549.

It is an arithmetic number, because the mean of its divisors is an integer number (1320781549).

Almost surely, 2^2641563097 is an apocalyptic number.

It is an amenable number.

2641563097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641563097 is an equidigital number, since it uses as much as digits as its factorization.

2641563097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 2641563097 is about 51396.1389308574. The cubic root of 2641563097 is about 1382.3573614239.

The spelling of 2641563097 in words is "two billion, six hundred forty-one million, five hundred sixty-three thousand, ninety-seven".