2149401079904 has 96 divisors (see below), whose sum is σ = 4598075704320. Its totient is φ = 983138107392.

The previous prime is 2149401079879. The next prime is 2149401079907. The reversal of 2149401079904 is 4099701049412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149401079907) 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, 49059032 + ... + 49102824.

It is an arithmetic number, because the mean of its divisors is an integer number (47896621920).

Almost surely, 2^{2149401079904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149401079904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2299037852160).

2149401079904 is an abundant number, since it is smaller than the sum of its proper divisors (2448674624416).

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

2149401079904 is a wasteful number, since it uses less digits than its factorization.

2149401079904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44872 (or 44864 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 2149401079904 in words is "two trillion, one hundred forty-nine billion, four hundred one million, seventy-nine thousand, nine hundred four".