11437913493 has 24 divisors (see below), whose sum is σ = 17399023200. Its totient is φ = 7220604384.

The previous prime is 11437913491. The next prime is 11437913503. The reversal of 11437913493 is 39431973411.

11437913493 is a `hidden beast` number, since 1 + 143 + 7 + 9 + 13 + 493 = 666.

It is not a de Polignac number, because 11437913493 - 2¹ = 11437913491 is a prime.

It is a super-3 number, since 3×11437913493³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11437913491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385671 + ... + 414267.

It is an arithmetic number, because the mean of its divisors is an integer number (724959300).

Almost surely, 2^11437913493 is an apocalyptic number.

It is an amenable number.

11437913493 is a deficient number, since it is larger than the sum of its proper divisors (5961109707).

11437913493 is a wasteful number, since it uses less digits than its factorization.

11437913493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30961 (or 30958 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 11437913493 in words is "eleven billion, four hundred thirty-seven million, nine hundred thirteen thousand, four hundred ninety-three".