2705421651380 has 24 divisors (see below), whose sum is σ = 6493011963648. Its totient is φ = 927573137568.

The previous prime is 2705421651329. The next prime is 2705421651433. The reversal of 2705421651380 is 831561245072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9662220044 + ... + 9662220323.

It is an arithmetic number, because the mean of its divisors is an integer number (270542165152).

Almost surely, 2^{2705421651380} is an apocalyptic number.

2705421651380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2705421651380 is an abundant number, since it is smaller than the sum of its proper divisors (3787590312268).

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

2705421651380 is a wasteful number, since it uses less digits than its factorization.

2705421651380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19324440383 (or 19324440381 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 2705421651380 in words is "two trillion, seven hundred five billion, four hundred twenty-one million, six hundred fifty-one thousand, three hundred eighty".