2620545461 has 16 divisors (see below), whose sum is σ = 2889872640. Its totient is φ = 2365896960.

The previous prime is 2620545449. The next prime is 2620545469. The reversal of 2620545461 is 1645450262.

2620545461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2620545461 - 2¹⁸ = 2620283317 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 (2620545469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15320 + ... + 73998.

It is an arithmetic number, because the mean of its divisors is an integer number (180617040).

Almost surely, 2^2620545461 is an apocalyptic number.

It is an amenable number.

2620545461 is a deficient number, since it is larger than the sum of its proper divisors (269327179).

2620545461 is a wasteful number, since it uses less digits than its factorization.

2620545461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58804.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2620545461 is about 51191.2635222066. The cubic root of 2620545461 is about 1378.6813457358.

The spelling of 2620545461 in words is "two billion, six hundred twenty million, five hundred forty-five thousand, four hundred sixty-one".