1103479749 has 24 divisors (see below), whose sum is σ = 1661460320. Its totient is φ = 705073248.

The previous prime is 1103479723. The next prime is 1103479831. The reversal of 1103479749 is 9479743011.

1103479749 is a `hidden beast` number, since 1 + 103 + 479 + 74 + 9 = 666.

It is not a de Polignac number, because 1103479749 - 2⁷ = 1103479621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103479709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2419 + ... + 47040.

Almost surely, 2^1103479749 is an apocalyptic number.

It is an amenable number.

1103479749 is a deficient number, since it is larger than the sum of its proper divisors (557980571).

1103479749 is a wasteful number, since it uses less digits than its factorization.

1103479749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49569 (or 49566 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1103479749 is about 33218.6656715769. The cubic root of 1103479749 is about 1033.3674774589.

The spelling of 1103479749 in words is "one billion, one hundred three million, four hundred seventy-nine thousand, seven hundred forty-nine".