2635393068 has 162 divisors, whose sum is σ = 8518527108. Its totient is φ = 684462240.

The previous prime is 2635393037. The next prime is 2635393087. The reversal of 2635393068 is 8603935362.

2635393068 is a `hidden beast` number, since 2 + 635 + 3 + 9 + 3 + 0 + 6 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 207271 + ... + 219617.

Almost surely, 2^2635393068 is an apocalyptic number.

2635393068 is a gapful number since it is divisible by the number (28) 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 2635393068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4259263554).

2635393068 is an abundant number, since it is smaller than the sum of its proper divisors (5883134040).

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

2635393068 is a wasteful number, since it uses less digits than its factorization.

2635393068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393 (or 12370 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 2635393068 is about 51336.0795932062. The cubic root of 2635393068 is about 1381.2802423086.

The spelling of 2635393068 in words is "two billion, six hundred thirty-five million, three hundred ninety-three thousand, sixty-eight".