2620654463 has 16 divisors (see below), whose sum is σ = 3078857280. Its totient is φ = 2183521536.

The previous prime is 2620654459. The next prime is 2620654469. The reversal of 2620654463 is 3644560262.

2620654463 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 2620654463 - 2² = 2620654459 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 (2620654469) 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, 314195 + ... + 322427.

It is an arithmetic number, because the mean of its divisors is an integer number (192428580).

Almost surely, 2^2620654463 is an apocalyptic number.

2620654463 is a deficient number, since it is larger than the sum of its proper divisors (458202817).

2620654463 is a wasteful number, since it uses less digits than its factorization.

2620654463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9506.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2620654463 is about 51192.3281654585. The cubic root of 2620654463 is about 1378.7004609598.

The spelling of 2620654463 in words is "two billion, six hundred twenty million, six hundred fifty-four thousand, four hundred sixty-three".