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13626623489 is a prime number
BaseRepresentation
bin11001011000011010…
…11100011000000001
31022011122220012021212
430230031130120001
5210401403422424
610132053455505
7661452250163
oct145415343001
938148805255
1013626623489
115862967a06
122783641595
13139215c72b
14933a82933
1554b47d10e
hex32c35c601

13626623489 has 2 divisors, whose sum is σ = 13626623490. Its totient is φ = 13626623488.

The previous prime is 13626623453. The next prime is 13626623519. The reversal of 13626623489 is 98432662631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10809137089 + 2817486400 = 103967^2 + 53080^2 .

It is an emirp because it is prime and its reverse (98432662631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13626623489 - 220 = 13625574913 is a prime.

It is a super-3 number, since 3×136266234893 (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13626623419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6813311744 + 6813311745.

It is an arithmetic number, because the mean of its divisors is an integer number (6813311745).

Almost surely, 213626623489 is an apocalyptic number.

It is an amenable number.

13626623489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13626623489 is an equidigital number, since it uses as much as digits as its factorization.

13626623489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 50.

The spelling of 13626623489 in words is "thirteen billion, six hundred twenty-six million, six hundred twenty-three thousand, four hundred eighty-nine".