2653963676 has 72 divisors (see below), whose sum is σ = 5975768736. Its totient is φ = 1021507200.

The previous prime is 2653963667. The next prime is 2653963679. The reversal of 2653963676 is 6763693562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653963679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80201 + ... + 108351.

It is an arithmetic number, because the mean of its divisors is an integer number (82996788).

Almost surely, 2^2653963676 is an apocalyptic number.

2653963676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2653963676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987884368).

2653963676 is an abundant number, since it is smaller than the sum of its proper divisors (3321805060).

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

2653963676 is a wasteful number, since it uses less digits than its factorization.

2653963676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28219 (or 28210 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 53.

The square root of 2653963676 is about 51516.6349444527. The cubic root of 2653963676 is about 1384.5171025659.

The spelling of 2653963676 in words is "two billion, six hundred fifty-three million, nine hundred sixty-three thousand, six hundred seventy-six".