2011938454729 has 8 divisors (see below), whose sum is σ = 2311030104768. Its totient is φ = 1715764772400.

The previous prime is 2011938454711. The next prime is 2011938454811. The reversal of 2011938454729 is 9274548391102.

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

It is not a de Polignac number, because 2011938454729 - 2¹³ = 2011938446537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011938454729.

It is not an unprimeable number, because it can be changed into a prime (2011938454829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729490447 + ... + 729493204.

It is an arithmetic number, because the mean of its divisors is an integer number (288878763096).

Almost surely, 2^{2011938454729} is an apocalyptic number.

It is an amenable number.

2011938454729 is a deficient number, since it is larger than the sum of its proper divisors (299091650039).

2011938454729 is a wasteful number, since it uses less digits than its factorization.

2011938454729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458983855.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 2011938454729 in words is "two trillion, eleven billion, nine hundred thirty-eight million, four hundred fifty-four thousand, seven hundred twenty-nine".