13730786428 has 12 divisors (see below), whose sum is σ = 24065233192. Its totient is φ = 6855005520.

The previous prime is 13730786413. The next prime is 13730786453. The reversal of 13730786428 is 82468703731.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 2593950 + ... + 2599237.

Almost surely, 2^13730786428 is an apocalyptic number.

It is an amenable number.

13730786428 is a deficient number, since it is larger than the sum of its proper divisors (10334446764).

13730786428 is a wasteful number, since it uses less digits than its factorization.

13730786428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193852 (or 5193850 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 13730786428 in words is "thirteen billion, seven hundred thirty million, seven hundred eighty-six thousand, four hundred twenty-eight".