13355991651 has 16 divisors (see below), whose sum is σ = 19181191040. Its totient is φ = 8239190400.

The previous prime is 13355991631. The next prime is 13355991659. The reversal of 13355991651 is 15619955331.

It is not a de Polignac number, because 13355991651 - 2⁹ = 13355991139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13355991651.

It is not an unprimeable number, because it can be changed into a prime (13355991659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2722150 + ... + 2727051.

It is an arithmetic number, because the mean of its divisors is an integer number (1198824440).

Almost surely, 2^13355991651 is an apocalyptic number.

13355991651 is a deficient number, since it is larger than the sum of its proper divisors (5825199389).

13355991651 is a wasteful number, since it uses less digits than its factorization.

13355991651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449266.

The product of its digits is 546750, while the sum is 48.

The spelling of 13355991651 in words is "thirteen billion, three hundred fifty-five million, nine hundred ninety-one thousand, six hundred fifty-one".