2721260767650 has 48 divisors (see below), whose sum is σ = 7042149612864. Its totient is φ = 694118687680.

The previous prime is 2721260767607. The next prime is 2721260767657. The reversal of 2721260767650 is 567670621272.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2721260767593 and 2721260767602.

It is not an unprimeable number, because it can be changed into a prime (2721260767657) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 394382169 + ... + 394389068.

It is an arithmetic number, because the mean of its divisors is an integer number (146711450268).

Almost surely, 2^{2721260767650} is an apocalyptic number.

2721260767650 is an abundant number, since it is smaller than the sum of its proper divisors (4320888845214).

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

2721260767650 is a wasteful number, since it uses less digits than its factorization.

2721260767650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788771275 (or 788771270 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 2721260767650 in words is "two trillion, seven hundred twenty-one billion, two hundred sixty million, seven hundred sixty-seven thousand, six hundred fifty".