11403343979 has 2 divisors, whose sum is σ = 11403343980. Its totient is φ = 11403343978.

The previous prime is 11403343969. The next prime is 11403344077. The reversal of 11403343979 is 97934330411.

It is a weak prime.

It is an emirp because it is prime and its reverse (97934330411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11403343979 - 2¹⁶ = 11403278443 is a prime.

It is not a weakly prime, because it can be changed into another prime (11403343909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701671989 + 5701671990.

It is an arithmetic number, because the mean of its divisors is an integer number (5701671990).

Almost surely, 2^11403343979 is an apocalyptic number.

11403343979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403343979 is an equidigital number, since it uses as much as digits as its factorization.

11403343979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 11403343979 in words is "eleven billion, four hundred three million, three hundred forty-three thousand, nine hundred seventy-nine".