11943849629 has 2 divisors, whose sum is σ = 11943849630. Its totient is φ = 11943849628.

The previous prime is 11943849587. The next prime is 11943849661. The reversal of 11943849629 is 92694834911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7836321529 + 4107528100 = 88523^2 + 64090^2 .

It is a cyclic number.

It is not a de Polignac number, because 11943849629 - 2¹⁶ = 11943784093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11943849329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971924814 + 5971924815.

It is an arithmetic number, because the mean of its divisors is an integer number (5971924815).

Almost surely, 2^11943849629 is an apocalyptic number.

It is an amenable number.

11943849629 is a deficient number, since it is larger than the sum of its proper divisors (1).

11943849629 is an equidigital number, since it uses as much as digits as its factorization.

11943849629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 56.

The spelling of 11943849629 in words is "eleven billion, nine hundred forty-three million, eight hundred forty-nine thousand, six hundred twenty-nine".