13897494834 has 8 divisors (see below), whose sum is σ = 27794989680. Its totient is φ = 4632498276.

The previous prime is 13897494791. The next prime is 13897494889. The reversal of 13897494834 is 43849479831.

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

13897494834 is an admirable number.

It is a super-2 number, since 2×13897494834² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158124564 + ... + 1158124575.

It is an arithmetic number, because the mean of its divisors is an integer number (3474373710).

Almost surely, 2^13897494834 is an apocalyptic number.

13897494834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13897494834 is a wasteful number, since it uses less digits than its factorization.

13897494834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316249144.

The product of its digits is 20901888, while the sum is 60.

The spelling of 13897494834 in words is "thirteen billion, eight hundred ninety-seven million, four hundred ninety-four thousand, eight hundred thirty-four".