11390494439 has 2 divisors, whose sum is σ = 11390494440. Its totient is φ = 11390494438.

The previous prime is 11390494421. The next prime is 11390494463. The reversal of 11390494439 is 93449409311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11390494439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11390494393 and 11390494402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11390494639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5695247219 + 5695247220.

It is an arithmetic number, because the mean of its divisors is an integer number (5695247220).

Almost surely, 2^11390494439 is an apocalyptic number.

11390494439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11390494439 is an equidigital number, since it uses as much as digits as its factorization.

11390494439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 11390494439 in words is "eleven billion, three hundred ninety million, four hundred ninety-four thousand, four hundred thirty-nine".