11927461849 has 2 divisors, whose sum is σ = 11927461850. Its totient is φ = 11927461848.

The previous prime is 11927461829. The next prime is 11927461879. The reversal of 11927461849 is 94816472911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11817211849 + 110250000 = 108707^2 + 10500^2 .

It is a cyclic number.

It is not a de Polignac number, because 11927461849 - 2³³ = 3337527257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11927461796 and 11927461805.

It is not a weakly prime, because it can be changed into another prime (11927461829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5963730924 + 5963730925.

It is an arithmetic number, because the mean of its divisors is an integer number (5963730925).

Almost surely, 2^11927461849 is an apocalyptic number.

It is an amenable number.

11927461849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11927461849 is an equidigital number, since it uses as much as digits as its factorization.

11927461849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 52.

The spelling of 11927461849 in words is "eleven billion, nine hundred twenty-seven million, four hundred sixty-one thousand, eight hundred forty-nine".