2996695638 has 96 divisors (see below), whose sum is σ = 7177978080. Its totient is φ = 899527680.

The previous prime is 2996695633. The next prime is 2996695643. The reversal of 2996695638 is 8365966992.

2996695638 is a `hidden beast` number, since 2 + 9 + 9 + 6 + 69 + 563 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2996695633) and next prime (2996695643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2996695633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 688473 + ... + 692811.

It is an arithmetic number, because the mean of its divisors is an integer number (74770605).

Almost surely, 2^2996695638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2996695638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3588989040).

2996695638 is an abundant number, since it is smaller than the sum of its proper divisors (4181282442).

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

2996695638 is a wasteful number, since it uses less digits than its factorization.

2996695638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4459 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 63.

The square root of 2996695638 is about 54742.0828796274. The cubic root of 2996695638 is about 1441.7198519202.

The spelling of 2996695638 in words is "two billion, nine hundred ninety-six million, six hundred ninety-five thousand, six hundred thirty-eight".