2648932551269 has 2 divisors, whose sum is σ = 2648932551270. Its totient is φ = 2648932551268.

The previous prime is 2648932551203. The next prime is 2648932551271. The reversal of 2648932551269 is 9621552398462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2468763712900 + 180168838369 = 1571230^2 + 424463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648932551269 is a prime.

It is a super-2 number, since 2×2648932551269² (a number of 26 digits) contains 22 as substring.

Together with 2648932551271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648932551169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324466275634 + 1324466275635.

It is an arithmetic number, because the mean of its divisors is an integer number (1324466275635).

Almost surely, 2^{2648932551269} is an apocalyptic number.

It is an amenable number.

2648932551269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648932551269 is an equidigital number, since it uses as much as digits as its factorization.

2648932551269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55987200, while the sum is 62.

The spelling of 2648932551269 in words is "two trillion, six hundred forty-eight billion, nine hundred thirty-two million, five hundred fifty-one thousand, two hundred sixty-nine".