10640362279 has 2 divisors, whose sum is σ = 10640362280. Its totient is φ = 10640362278.

The previous prime is 10640362277. The next prime is 10640362297. The reversal of 10640362279 is 97226304601.

It is a happy number.

Together with next prime (10640362297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97226304601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10640362279 - 2¹ = 10640362277 is a prime.

It is a super-2 number, since 2×10640362279² (a number of 21 digits) contains 22 as substring.

Together with 10640362277, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10640362277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320181139 + 5320181140.

It is an arithmetic number, because the mean of its divisors is an integer number (5320181140).

Almost surely, 2^10640362279 is an apocalyptic number.

10640362279 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640362279 is an equidigital number, since it uses as much as digits as its factorization.

10640362279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 10640362279 in words is "ten billion, six hundred forty million, three hundred sixty-two thousand, two hundred seventy-nine".