15682713428 has 12 divisors (see below), whose sum is σ = 27447390432. Its totient is φ = 7840601880.

The previous prime is 15682713427. The next prime is 15682713509. The reversal of 15682713428 is 82431728651.

It is a super-2 number, since 2×15682713428² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15682713427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140600 + ... + 226127.

It is an arithmetic number, because the mean of its divisors is an integer number (2287282536).

Almost surely, 2^15682713428 is an apocalyptic number.

It is an amenable number.

15682713428 is a deficient number, since it is larger than the sum of its proper divisors (11764677004).

15682713428 is a wasteful number, since it uses less digits than its factorization.

15682713428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377422 (or 377420 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 15682713428 in words is "fifteen billion, six hundred eighty-two million, seven hundred thirteen thousand, four hundred twenty-eight".