13959349280 has 48 divisors (see below), whose sum is σ = 33084445464. Its totient is φ = 5565880320.

The previous prime is 13959349237. The next prime is 13959349291. The reversal of 13959349280 is 8294395931.

It can be written as a sum of positive squares in 4 ways, for example, as 7894677904 + 6064671376 = 88852^2 + 77876^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89291 + ... + 189450.

Almost surely, 2^13959349280 is an apocalyptic number.

13959349280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13959349280 is an abundant number, since it is smaller than the sum of its proper divisors (19125096184).

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

13959349280 is a wasteful number, since it uses less digits than its factorization.

13959349280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279069 (or 279061 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 13959349280 in words is "thirteen billion, nine hundred fifty-nine million, three hundred forty-nine thousand, two hundred eighty".