2650147990 has 32 divisors (see below), whose sum is σ = 5456056320. Its totient is φ = 907901664.

The previous prime is 2650147979. The next prime is 2650147991. The reversal of 2650147990 is 997410562.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650147991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77979 + ... + 106681.

It is an arithmetic number, because the mean of its divisors is an integer number (170501760).

Almost surely, 2^2650147990 is an apocalyptic number.

2650147990 is an abundant number, since it is smaller than the sum of its proper divisors (2805908330).

2650147990 is a wasteful number, since it uses less digits than its factorization.

2650147990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30036.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 2650147990 is about 51479.5880908152. The cubic root of 2650147990 is about 1383.8532632445.

The spelling of 2650147990 in words is "two billion, six hundred fifty million, one hundred forty-seven thousand, nine hundred ninety".