13735451994 has 32 divisors (see below), whose sum is σ = 31545538560. Its totient is φ = 3943191600.

The previous prime is 13735451993. The next prime is 13735452001. The reversal of 13735451994 is 49915453731.

It is a happy number.

It is a super-3 number, since 3×13735451994³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13735451993) 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, 5475402 + ... + 5477909.

It is an arithmetic number, because the mean of its divisors is an integer number (985798080).

Almost surely, 2^13735451994 is an apocalyptic number.

13735451994 is an abundant number, since it is smaller than the sum of its proper divisors (17810086566).

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

13735451994 is a wasteful number, since it uses less digits than its factorization.

13735451994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953346.

The product of its digits is 2041200, while the sum is 51.

The spelling of 13735451994 in words is "thirteen billion, seven hundred thirty-five million, four hundred fifty-one thousand, nine hundred ninety-four".