2686807451 has 2 divisors, whose sum is σ = 2686807452. Its totient is φ = 2686807450.

The previous prime is 2686807393. The next prime is 2686807471. The reversal of 2686807451 is 1547086862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2686807451 - 2³⁰ = 1613065627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2686807396 and 2686807405.

It is not a weakly prime, because it can be changed into another prime (2686807471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343403725 + 1343403726.

It is an arithmetic number, because the mean of its divisors is an integer number (1343403726).

Almost surely, 2^2686807451 is an apocalyptic number.

2686807451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686807451 is an equidigital number, since it uses as much as digits as its factorization.

2686807451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2686807451 is about 51834.4234172620. The cubic root of 2686807451 is about 1390.2050059067.

The spelling of 2686807451 in words is "two billion, six hundred eighty-six million, eight hundred seven thousand, four hundred fifty-one".