1149293649 has 16 divisors (see below), whose sum is σ = 1752363008. Its totient is φ = 656342352.

The previous prime is 1149293633. The next prime is 1149293657. The reversal of 1149293649 is 9463929411.

It is a happy number.

It is not a de Polignac number, because 1149293649 - 2⁴ = 1149293633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149293598 and 1149293607.

It is not an unprimeable number, because it can be changed into a prime (1149293689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21024 + ... + 52350.

It is an arithmetic number, because the mean of its divisors is an integer number (109522688).

Almost surely, 2^1149293649 is an apocalyptic number.

It is an amenable number.

1149293649 is a deficient number, since it is larger than the sum of its proper divisors (603069359).

1149293649 is a wasteful number, since it uses less digits than its factorization.

1149293649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33084.

The product of its digits is 419904, while the sum is 48.

The square root of 1149293649 is about 33901.2337386119. The cubic root of 1149293649 is about 1047.4750058876.

The spelling of 1149293649 in words is "one billion, one hundred forty-nine million, two hundred ninety-three thousand, six hundred forty-nine".