22776609313 has 2 divisors, whose sum is σ = 22776609314. Its totient is φ = 22776609312.

The previous prime is 22776609253. The next prime is 22776609377. The reversal of 22776609313 is 31390667722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21418907904 + 1357701409 = 146352^2 + 36847^2 .

It is a cyclic number.

It is not a de Polignac number, because 22776609313 - 2²¹ = 22774512161 is a prime.

It is a super-3 number, since 3×22776609313³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22776601313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11388304656 + 11388304657.

It is an arithmetic number, because the mean of its divisors is an integer number (11388304657).

Almost surely, 2^22776609313 is an apocalyptic number.

It is an amenable number.

22776609313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22776609313 is an equidigital number, since it uses as much as digits as its factorization.

22776609313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 22776609313 in words is "twenty-two billion, seven hundred seventy-six million, six hundred nine thousand, three hundred thirteen".