1551094669459 has 2 divisors, whose sum is σ = 1551094669460. Its totient is φ = 1551094669458.

The previous prime is 1551094669447. The next prime is 1551094669513. The reversal of 1551094669459 is 9549664901551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1551094669459 - 2⁹ = 1551094668947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1551094669459.

It is not a weakly prime, because it can be changed into another prime (1551094669409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775547334729 + 775547334730.

It is an arithmetic number, because the mean of its divisors is an integer number (775547334730).

Almost surely, 2^{1551094669459} is an apocalyptic number.

1551094669459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551094669459 is an equidigital number, since it uses as much as digits as its factorization.

1551094669459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488000, while the sum is 64.

The spelling of 1551094669459 in words is "one trillion, five hundred fifty-one billion, ninety-four million, six hundred sixty-nine thousand, four hundred fifty-nine".