11619405349 has 2 divisors, whose sum is σ = 11619405350. Its totient is φ = 11619405348.

The previous prime is 11619405323. The next prime is 11619405373. The reversal of 11619405349 is 94350491611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9121205025 + 2498200324 = 95505^2 + 49982^2 .

It is a cyclic number.

It is not a de Polignac number, because 11619405349 - 2⁷ = 11619405221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11619405649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809702674 + 5809702675.

It is an arithmetic number, because the mean of its divisors is an integer number (5809702675).

Almost surely, 2^11619405349 is an apocalyptic number.

It is an amenable number.

11619405349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11619405349 is an equidigital number, since it uses as much as digits as its factorization.

11619405349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 11619405349 in words is "eleven billion, six hundred nineteen million, four hundred five thousand, three hundred forty-nine".