13898973577 has 16 divisors (see below), whose sum is σ = 15368970240. Its totient is φ = 12502397952.

The previous prime is 13898973559. The next prime is 13898973581. The reversal of 13898973577 is 77537989831.

It is a cyclic number.

It is not a de Polignac number, because 13898973577 - 2¹¹ = 13898971529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13898973677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486193 + ... + 513985.

It is an arithmetic number, because the mean of its divisors is an integer number (960560640).

Almost surely, 2^13898973577 is an apocalyptic number.

13898973577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13898973577 is a deficient number, since it is larger than the sum of its proper divisors (1469996663).

13898973577 is a wasteful number, since it uses less digits than its factorization.

13898973577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29112.

The product of its digits is 80015040, while the sum is 67.

The spelling of 13898973577 in words is "thirteen billion, eight hundred ninety-eight million, nine hundred seventy-three thousand, five hundred seventy-seven".