2054648295739 has 4 divisors (see below), whose sum is σ = 2212698164656. Its totient is φ = 1896598426824.

The previous prime is 2054648295719. The next prime is 2054648295743. The reversal of 2054648295739 is 9375928464502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2054648295739 is a prime.

It is a super-2 number, since 2×2054648295739² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054648295719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79024934439 + ... + 79024934464.

It is an arithmetic number, because the mean of its divisors is an integer number (553174541164).

Almost surely, 2^{2054648295739} is an apocalyptic number.

2054648295739 is a deficient number, since it is larger than the sum of its proper divisors (158049868917).

2054648295739 is a wasteful number, since it uses less digits than its factorization.

2054648295739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158049868916.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 2054648295739 in words is "two trillion, fifty-four billion, six hundred forty-eight million, two hundred ninety-five thousand, seven hundred thirty-nine".