419155493749 has 2 divisors, whose sum is σ = 419155493750. Its totient is φ = 419155493748.

The previous prime is 419155493719. The next prime is 419155493773. The reversal of 419155493749 is 947394551914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386653894225 + 32501599524 = 621815^2 + 180282^2 .

It is a cyclic number.

It is not a de Polignac number, because 419155493749 - 2¹¹ = 419155491701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419155493719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209577746874 + 209577746875.

It is an arithmetic number, because the mean of its divisors is an integer number (209577746875).

Almost surely, 2^419155493749 is an apocalyptic number.

It is an amenable number.

419155493749 is a deficient number, since it is larger than the sum of its proper divisors (1).

419155493749 is an equidigital number, since it uses as much as digits as its factorization.

419155493749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24494400, while the sum is 61.

The spelling of 419155493749 in words is "four hundred nineteen billion, one hundred fifty-five million, four hundred ninety-three thousand, seven hundred forty-nine".