2139304068496 has 45 divisors (see below), whose sum is σ = 4821712571169. Its totient is φ = 916827049152.

The previous prime is 2139304068493. The next prime is 2139304068509. The reversal of 2139304068496 is 6948604039312.

The square root of 2139304068496 is 1462636.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 834993888400 + 1304310180096 = 913780^2 + 1142064^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2139304068493) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40927690 + ... + 40979926.

Almost surely, 2^{2139304068496} is an apocalyptic number.

2139304068496 is the 1462636-th square number.

It is an amenable number.

2139304068496 is an abundant number, since it is smaller than the sum of its proper divisors (2682408502673).

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

2139304068496 is an frugal number, since it uses more digits than its factorization.

2139304068496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104496 (or 52246 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 2139304068496 in words is "two trillion, one hundred thirty-nine billion, three hundred four million, sixty-eight thousand, four hundred ninety-six".