1206774853419 has 4 divisors (see below), whose sum is σ = 1609033137896. Its totient is φ = 804516568944.

The previous prime is 1206774853397. The next prime is 1206774853457. The reversal of 1206774853419 is 9143584776021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1206774853419 - 2¹² = 1206774849323 is a prime.

It is a super-2 number, since 2×1206774853419² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1206774853519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201129142234 + ... + 201129142239.

It is an arithmetic number, because the mean of its divisors is an integer number (402258284474).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1206774853419 = 2413549706838, but 3⋅1206774853419 = 3620324560257 is not.

Almost surely, 2^{1206774853419} is an apocalyptic number.

1206774853419 is a deficient number, since it is larger than the sum of its proper divisors (402258284477).

1206774853419 is an equidigital number, since it uses as much as digits as its factorization.

1206774853419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402258284476.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 1206774853419 in words is "one trillion, two hundred six billion, seven hundred seventy-four million, eight hundred fifty-three thousand, four hundred nineteen".