2738656409620 has 24 divisors (see below), whose sum is σ = 6089483076264. Its totient is φ = 1031023589376.

The previous prime is 2738656409611. The next prime is 2738656409647. The reversal of 2738656409620 is 269046568372.

It can be written as a sum of positive squares in 4 ways, for example, as 20108374416 + 2718548035204 = 141804^2 + 1648802^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4027435557 + ... + 4027436236.

It is an arithmetic number, because the mean of its divisors is an integer number (253728461511).

Almost surely, 2^{2738656409620} is an apocalyptic number.

2738656409620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2738656409620 is an abundant number, since it is smaller than the sum of its proper divisors (3350826666644).

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

2738656409620 is a wasteful number, since it uses less digits than its factorization.

2738656409620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054871819 (or 8054871817 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 2738656409620 in words is "two trillion, seven hundred thirty-eight billion, six hundred fifty-six million, four hundred nine thousand, six hundred twenty".