1545334699379 has 2 divisors, whose sum is σ = 1545334699380. Its totient is φ = 1545334699378.

The previous prime is 1545334699357. The next prime is 1545334699421. The reversal of 1545334699379 is 9739964335451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1545334699379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1545334699319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772667349689 + 772667349690.

It is an arithmetic number, because the mean of its divisors is an integer number (772667349690).

Almost surely, 2^{1545334699379} is an apocalyptic number.

1545334699379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545334699379 is an equidigital number, since it uses as much as digits as its factorization.

1545334699379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 330674400, while the sum is 68.

The spelling of 1545334699379 in words is "one trillion, five hundred forty-five billion, three hundred thirty-four million, six hundred ninety-nine thousand, three hundred seventy-nine".