14209542798 has 24 divisors (see below), whose sum is σ = 31237508904. Its totient is φ = 4305921840.

The previous prime is 14209542773. The next prime is 14209542799. The reversal of 14209542798 is 89724590241.

It is a super-2 number, since 2×14209542798² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14209542798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14209542799) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9785461 + ... + 9786912.

It is an arithmetic number, because the mean of its divisors is an integer number (1301562871).

Almost surely, 2^14209542798 is an apocalyptic number.

14209542798 is an abundant number, since it is smaller than the sum of its proper divisors (17027966106).

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

14209542798 is a wasteful number, since it uses less digits than its factorization.

14209542798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19572400 (or 19572389 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 14209542798 in words is "fourteen billion, two hundred nine million, five hundred forty-two thousand, seven hundred ninety-eight".