13454821699 has 8 divisors (see below), whose sum is σ = 14696095680. Its totient is φ = 12216565800.

The previous prime is 13454821687. The next prime is 13454821729. The reversal of 13454821699 is 99612845431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13454821699 - 2²¹ = 13452724547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13454821099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745189 + ... + 763030.

It is an arithmetic number, because the mean of its divisors is an integer number (1837011960).

Almost surely, 2^13454821699 is an apocalyptic number.

13454821699 is a deficient number, since it is larger than the sum of its proper divisors (1241273981).

13454821699 is a wasteful number, since it uses less digits than its factorization.

13454821699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509041.

The product of its digits is 1866240, while the sum is 52.

The spelling of 13454821699 in words is "thirteen billion, four hundred fifty-four million, eight hundred twenty-one thousand, six hundred ninety-nine".