1234091447279 has 2 divisors, whose sum is σ = 1234091447280. Its totient is φ = 1234091447278.

The previous prime is 1234091447261. The next prime is 1234091447419. The reversal of 1234091447279 is 9727441904321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234091447279 - 2⁸ = 1234091447023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1234091447279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234091447779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617045723639 + 617045723640.

It is an arithmetic number, because the mean of its divisors is an integer number (617045723640).

Almost surely, 2^{1234091447279} is an apocalyptic number.

1234091447279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234091447279 is an equidigital number, since it uses as much as digits as its factorization.

1234091447279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 1234091447279 in words is "one trillion, two hundred thirty-four billion, ninety-one million, four hundred forty-seven thousand, two hundred seventy-nine".