2797990650 has 432 divisors, whose sum is σ = 9678693024. Its totient is φ = 574076160.

The previous prime is 2797990621. The next prime is 2797990667. The reversal of 2797990650 is 560997972.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 12325837 + ... + 12326063.

It is an arithmetic number, because the mean of its divisors is an integer number (22404382).

Almost surely, 2^2797990650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797990650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4839346512).

2797990650 is an abundant number, since it is smaller than the sum of its proper divisors (6880702374).

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

2797990650 is a wasteful number, since it uses less digits than its factorization.

2797990650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 2797990650 is about 52896.0362409132. The cubic root of 2797990650 is about 1409.1225112138.

The spelling of 2797990650 in words is "two billion, seven hundred ninety-seven million, nine hundred ninety thousand, six hundred fifty".