15853549348 has 24 divisors (see below), whose sum is σ = 34146107072. Its totient is φ = 6271733664.

The previous prime is 15853549339. The next prime is 15853549409. The reversal of 15853549348 is 84394535851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776490 + ... + 21777217.

Almost surely, 2^15853549348 is an apocalyptic number.

It is an amenable number.

15853549348 is an abundant number, since it is smaller than the sum of its proper divisors (18292557724).

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

15853549348 is a wasteful number, since it uses less digits than its factorization.

15853549348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43553731 (or 43553729 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 55.

The spelling of 15853549348 in words is "fifteen billion, eight hundred fifty-three million, five hundred forty-nine thousand, three hundred forty-eight".