13898457214 has 4 divisors (see below), whose sum is σ = 20847685824. Its totient is φ = 6949228606.

The previous prime is 13898457211. The next prime is 13898457229. The reversal of 13898457214 is 41275489831.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13898457214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13898457211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474614302 + ... + 3474614305.

It is an arithmetic number, because the mean of its divisors is an integer number (5211921456).

Almost surely, 2^13898457214 is an apocalyptic number.

13898457214 is a deficient number, since it is larger than the sum of its proper divisors (6949228610).

13898457214 is an equidigital number, since it uses as much as digits as its factorization.

13898457214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949228609.

The product of its digits is 1935360, while the sum is 52.

The spelling of 13898457214 in words is "thirteen billion, eight hundred ninety-eight million, four hundred fifty-seven thousand, two hundred fourteen".