7865550490379 has 2 divisors, whose sum is σ = 7865550490380. Its totient is φ = 7865550490378.

The previous prime is 7865550490373. The next prime is 7865550490393. The reversal of 7865550490379 is 9730940555687.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7865550490379 - 2¹⁶ = 7865550424843 is a prime.

It is not a weakly prime, because it can be changed into another prime (7865550490373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932775245189 + 3932775245190.

It is an arithmetic number, because the mean of its divisors is an integer number (3932775245190).

Almost surely, 2^{7865550490379} is an apocalyptic number.

7865550490379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7865550490379 is an equidigital number, since it uses as much as digits as its factorization.

7865550490379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768000, while the sum is 68.

The spelling of 7865550490379 in words is "seven trillion, eight hundred sixty-five billion, five hundred fifty million, four hundred ninety thousand, three hundred seventy-nine".