1149838479 has 12 divisors (see below), whose sum is σ = 1661692032. Its totient is φ = 766183200.

The previous prime is 1149838477. The next prime is 1149838499. The reversal of 1149838479 is 9748389411.

1149838479 is a `hidden beast` number, since 1 + 1 + 498 + 3 + 84 + 79 = 666.

It is not a de Polignac number, because 1149838479 - 2¹ = 1149838477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149838477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11262 + ... + 49259.

It is an arithmetic number, because the mean of its divisors is an integer number (138474336).

Almost surely, 2^1149838479 is an apocalyptic number.

1149838479 is a deficient number, since it is larger than the sum of its proper divisors (511853553).

1149838479 is a wasteful number, since it uses less digits than its factorization.

1149838479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62638 (or 62635 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 1149838479 is about 33909.2683347783. The cubic root of 1149838479 is about 1047.6405004796.

The spelling of 1149838479 in words is "one billion, one hundred forty-nine million, eight hundred thirty-eight thousand, four hundred seventy-nine".