2620807280101 has 4 divisors (see below), whose sum is σ = 2623305667500. Its totient is φ = 2618308892704.

The previous prime is 2620807280029. The next prime is 2620807280131. The reversal of 2620807280101 is 1010827080262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2441090635201 + 179716644900 = 1562399^2 + 423930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620807280101 - 2³³ = 2612217345509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620807280131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249192126 + ... + 1249194223.

It is an arithmetic number, because the mean of its divisors is an integer number (655826416875).

Almost surely, 2^{2620807280101} is an apocalyptic number.

It is an amenable number.

2620807280101 is a deficient number, since it is larger than the sum of its proper divisors (2498387399).

2620807280101 is a wasteful number, since it uses less digits than its factorization.

2620807280101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498387398.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 2620807280101 in words is "two trillion, six hundred twenty billion, eight hundred seven million, two hundred eighty thousand, one hundred one".