2620287069655 has 16 divisors (see below), whose sum is σ = 3159693180864. Its totient is φ = 2086009873920.

The previous prime is 2620287069629. The next prime is 2620287069679. The reversal of 2620287069655 is 5569607820262.

It is not a de Polignac number, because 2620287069655 - 2²⁹ = 2619750198743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2620287069655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862582 + ... + 2446348.

It is an arithmetic number, because the mean of its divisors is an integer number (197480823804).

Almost surely, 2^{2620287069655} is an apocalyptic number.

2620287069655 is a deficient number, since it is larger than the sum of its proper divisors (539406111209).

2620287069655 is a wasteful number, since it uses less digits than its factorization.

2620287069655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585386.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 2620287069655 in words is "two trillion, six hundred twenty billion, two hundred eighty-seven million, sixty-nine thousand, six hundred fifty-five".