2721260767645 has 32 divisors (see below), whose sum is σ = 3826489040640. Its totient is φ = 1818852380160.

The previous prime is 2721260767607. The next prime is 2721260767657. The reversal of 2721260767645 is 5467670621272.

2721260767645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2721260767645 - 2¹³ = 2721260759453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 736434 + ... + 2446396.

It is an arithmetic number, because the mean of its divisors is an integer number (119577782520).

Almost surely, 2^{2721260767645} is an apocalyptic number.

It is an amenable number.

2721260767645 is a deficient number, since it is larger than the sum of its proper divisors (1105228272995).

2721260767645 is a wasteful number, since it uses less digits than its factorization.

2721260767645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711125.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 2721260767645 in words is "two trillion, seven hundred twenty-one billion, two hundred sixty million, seven hundred sixty-seven thousand, six hundred forty-five".