1146979049 has 2 divisors, whose sum is σ = 1146979050. Its totient is φ = 1146979048.

The previous prime is 1146979027. The next prime is 1146979091. The reversal of 1146979049 is 9409796411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 953574400 + 193404649 = 30880^2 + 13907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146979049 - 2²⁰ = 1145930473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146978988 and 1146979006.

It is not a weakly prime, because it can be changed into another prime (1146979349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573489524 + 573489525.

It is an arithmetic number, because the mean of its divisors is an integer number (573489525).

Almost surely, 2^1146979049 is an apocalyptic number.

It is an amenable number.

1146979049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146979049 is an equidigital number, since it uses as much as digits as its factorization.

1146979049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1146979049 is about 33867.0791329869. The cubic root of 1146979049 is about 1046.7713519352.

The spelling of 1146979049 in words is "one billion, one hundred forty-six million, nine hundred seventy-nine thousand, forty-nine".