1013749428 has 12 divisors (see below), whose sum is σ = 2365415360. Its totient is φ = 337916472.

The previous prime is 1013749417. The next prime is 1013749441. The reversal of 1013749428 is 8249473101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42239548 + ... + 42239571.

Almost surely, 2^1013749428 is an apocalyptic number.

It is an amenable number.

1013749428 is an abundant number, since it is smaller than the sum of its proper divisors (1351665932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013749428 is a wasteful number, since it uses less digits than its factorization.

1013749428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84479126 (or 84479124 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1013749428 is about 31839.4319672949. The cubic root of 1013749428 is about 1004.5622964636.

The spelling of 1013749428 in words is "one billion, thirteen million, seven hundred forty-nine thousand, four hundred twenty-eight".