11964406019 has 2 divisors, whose sum is σ = 11964406020. Its totient is φ = 11964406018.

The previous prime is 11964406009. The next prime is 11964406033. The reversal of 11964406019 is 91060446911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11964406019 - 2¹² = 11964401923 is a prime.

It is a super-2 number, since 2×11964406019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11964406009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5982203009 + 5982203010.

It is an arithmetic number, because the mean of its divisors is an integer number (5982203010).

Almost surely, 2^11964406019 is an apocalyptic number.

11964406019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11964406019 is an equidigital number, since it uses as much as digits as its factorization.

11964406019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 11964406019 in words is "eleven billion, nine hundred sixty-four million, four hundred six thousand, nineteen".