19048406651 has 2 divisors, whose sum is σ = 19048406652. Its totient is φ = 19048406650.

The previous prime is 19048406627. The next prime is 19048406669. The reversal of 19048406651 is 15660484091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19048406651 - 2¹⁴ = 19048390267 is a prime.

It is a super-2 number, since 2×19048406651² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19048006651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9524203325 + 9524203326.

It is an arithmetic number, because the mean of its divisors is an integer number (9524203326).

Almost surely, 2^19048406651 is an apocalyptic number.

19048406651 is a deficient number, since it is larger than the sum of its proper divisors (1).

19048406651 is an equidigital number, since it uses as much as digits as its factorization.

19048406651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 19048406651 in words is "nineteen billion, forty-eight million, four hundred six thousand, six hundred fifty-one".