1196743949 has 2 divisors, whose sum is σ = 1196743950. Its totient is φ = 1196743948.

The previous prime is 1196743943. The next prime is 1196743967. The reversal of 1196743949 is 9493476911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1184598724 + 12145225 = 34418^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196743949 - 2⁸ = 1196743693 is a prime.

It is a super-2 number, since 2×1196743949² = 2864392158936229202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1196743949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1196743943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598371974 + 598371975.

It is an arithmetic number, because the mean of its divisors is an integer number (598371975).

Almost surely, 2^1196743949 is an apocalyptic number.

It is an amenable number.

1196743949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196743949 is an equidigital number, since it uses as much as digits as its factorization.

1196743949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 1196743949 is about 34593.9871798554. The cubic root of 1196743949 is about 1061.6965678733.

The spelling of 1196743949 in words is "one billion, one hundred ninety-six million, seven hundred forty-three thousand, nine hundred forty-nine".