2620971108 has 60 divisors (see below), whose sum is σ = 7830562432. Its totient is φ = 748848240.

The previous prime is 2620971061. The next prime is 2620971149. The reversal of 2620971108 is 8011790262.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 575548 + ... + 580083.

Almost surely, 2^2620971108 is an apocalyptic number.

2620971108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2620971108 is an abundant number, since it is smaller than the sum of its proper divisors (5209591324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2620971108 is a wasteful number, since it uses less digits than its factorization.

2620971108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155654 (or 1155643 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2620971108 is about 51195.4207717839. The cubic root of 2620971108 is about 1378.7559866605.

The spelling of 2620971108 in words is "two billion, six hundred twenty million, nine hundred seventy-one thousand, one hundred eight".