1520416663379 has 2 divisors, whose sum is σ = 1520416663380. Its totient is φ = 1520416663378.

The previous prime is 1520416663349. The next prime is 1520416663439. The reversal of 1520416663379 is 9733666140251.

It is a weak prime.

It is an emirp because it is prime and its reverse (9733666140251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1520416663379 - 2¹² = 1520416659283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1520416663379.

It is not a weakly prime, because it can be changed into another prime (1520416663309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760208331689 + 760208331690.

It is an arithmetic number, because the mean of its divisors is an integer number (760208331690).

Almost surely, 2^{1520416663379} is an apocalyptic number.

1520416663379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520416663379 is an equidigital number, since it uses as much as digits as its factorization.

1520416663379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 1520416663379 in words is "one trillion, five hundred twenty billion, four hundred sixteen million, six hundred sixty-three thousand, three hundred seventy-nine".