13780028651 has 2 divisors, whose sum is σ = 13780028652. Its totient is φ = 13780028650.

The previous prime is 13780028641. The next prime is 13780028699. The reversal of 13780028651 is 15682008731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13780028651 - 2¹⁰ = 13780027627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13780028599 and 13780028608.

It is not a weakly prime, because it can be changed into another prime (13780028641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6890014325 + 6890014326.

It is an arithmetic number, because the mean of its divisors is an integer number (6890014326).

Almost surely, 2^13780028651 is an apocalyptic number.

13780028651 is a deficient number, since it is larger than the sum of its proper divisors (1).

13780028651 is an equidigital number, since it uses as much as digits as its factorization.

13780028651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 13780028651 in words is "thirteen billion, seven hundred eighty million, twenty-eight thousand, six hundred fifty-one".