2650381554 has 32 divisors (see below), whose sum is σ = 5592070080. Its totient is φ = 835114752.

The previous prime is 2650381541. The next prime is 2650381577. The reversal of 2650381554 is 4551830562.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26662 + ... + 77534.

It is an arithmetic number, because the mean of its divisors is an integer number (174752190).

Almost surely, 2^2650381554 is an apocalyptic number.

2650381554 is an abundant number, since it is smaller than the sum of its proper divisors (2941688526).

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

2650381554 is a wasteful number, since it uses less digits than its factorization.

2650381554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51354.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 2650381554 is about 51481.8565516047. The cubic root of 2650381554 is about 1383.8939161703.

The spelling of 2650381554 in words is "two billion, six hundred fifty million, three hundred eighty-one thousand, five hundred fifty-four".