2055949546139 has 4 divisors (see below), whose sum is σ = 2056024035000. Its totient is φ = 2055875057280.

The previous prime is 2055949546127. The next prime is 2055949546151. The reversal of 2055949546139 is 9316459495502.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2055949546127) and next prime (2055949546151).

It is a cyclic number.

It is not a de Polignac number, because 2055949546139 - 2²⁰ = 2055948497563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055949546159) 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, 37203014 + ... + 37258235.

It is an arithmetic number, because the mean of its divisors is an integer number (514006008750).

Almost surely, 2^{2055949546139} is an apocalyptic number.

2055949546139 is a deficient number, since it is larger than the sum of its proper divisors (74488861).

2055949546139 is an equidigital number, since it uses as much as digits as its factorization.

2055949546139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74488860.

The product of its (nonzero) digits is 52488000, while the sum is 62.

The spelling of 2055949546139 in words is "two trillion, fifty-five billion, nine hundred forty-nine million, five hundred forty-six thousand, one hundred thirty-nine".