2650421505 has 32 divisors (see below), whose sum is σ = 4402719360. Its totient is φ = 1359895040.

The previous prime is 2650421503. The next prime is 2650421531. The reversal of 2650421505 is 5051240562.

2650421505 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2650421505 - 2¹ = 2650421503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2650421503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111394 + ... + 133076.

It is an arithmetic number, because the mean of its divisors is an integer number (137584980).

Almost surely, 2^2650421505 is an apocalyptic number.

It is an amenable number.

2650421505 is a deficient number, since it is larger than the sum of its proper divisors (1752297855).

2650421505 is a wasteful number, since it uses less digits than its factorization.

2650421505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22001.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2650421505 is about 51482.2445606250. The cubic root of 2650421505 is about 1383.9008695927.

The spelling of 2650421505 in words is "two billion, six hundred fifty million, four hundred twenty-one thousand, five hundred five".