1206442191359 has 4 divisors (see below), whose sum is σ = 1277409379104. Its totient is φ = 1135475003616.

The previous prime is 1206442191347. The next prime is 1206442191373. The reversal of 1206442191359 is 9531912446021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206442191359 - 2⁴ = 1206442191343 is a prime.

It is a super-2 number, since 2×1206442191359² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206442191319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35483593847 + ... + 35483593880.

It is an arithmetic number, because the mean of its divisors is an integer number (319352344776).

Almost surely, 2^{1206442191359} is an apocalyptic number.

1206442191359 is a deficient number, since it is larger than the sum of its proper divisors (70967187745).

1206442191359 is an equidigital number, since it uses as much as digits as its factorization.

1206442191359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70967187744.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 1206442191359 in words is "one trillion, two hundred six billion, four hundred forty-two million, one hundred ninety-one thousand, three hundred fifty-nine".