2053939206349 has 4 divisors (see below), whose sum is σ = 2054710496736. Its totient is φ = 2053167915964.

The previous prime is 2053939206337. The next prime is 2053939206383. The reversal of 2053939206349 is 9436029393502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2053939206349 - 2¹⁵ = 2053939173581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2053939206349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053939296349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385641199 + ... + 385646524.

It is an arithmetic number, because the mean of its divisors is an integer number (513677624184).

Almost surely, 2^{2053939206349} is an apocalyptic number.

It is an amenable number.

2053939206349 is a deficient number, since it is larger than the sum of its proper divisors (771290387).

2053939206349 is an equidigital number, since it uses as much as digits as its factorization.

2053939206349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771290386.

The product of its (nonzero) digits is 9447840, while the sum is 55.

The spelling of 2053939206349 in words is "two trillion, fifty-three billion, nine hundred thirty-nine million, two hundred six thousand, three hundred forty-nine".