1541751928709 has 2 divisors, whose sum is σ = 1541751928710. Its totient is φ = 1541751928708.

The previous prime is 1541751928679. The next prime is 1541751928711. The reversal of 1541751928709 is 9078291571451.

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., 1505475012484 + 36276916225 = 1226978^2 + 190465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541751928709 - 2³⁶ = 1473032451973 is a prime.

Together with 1541751928711, 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 (1541751928309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770875964354 + 770875964355.

It is an arithmetic number, because the mean of its divisors is an integer number (770875964355).

Almost surely, 2^{1541751928709} is an apocalyptic number.

It is an amenable number.

1541751928709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541751928709 is an equidigital number, since it uses as much as digits as its factorization.

1541751928709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 59.

The spelling of 1541751928709 in words is "one trillion, five hundred forty-one billion, seven hundred fifty-one million, nine hundred twenty-eight thousand, seven hundred nine".