2650355421 has 16 divisors (see below), whose sum is σ = 4039839744. Its totient is φ = 1514037744.

The previous prime is 2650355363. The next prime is 2650355453. The reversal of 2650355421 is 1245530562.

It is not a de Polignac number, because 2650355421 - 2⁹ = 2650354909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650355221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61336 + ... + 95198.

It is an arithmetic number, because the mean of its divisors is an integer number (252489984).

Almost surely, 2^2650355421 is an apocalyptic number.

2650355421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2650355421 is a deficient number, since it is larger than the sum of its proper divisors (1389484323).

2650355421 is a wasteful number, since it uses less digits than its factorization.

2650355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37600.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2650355421 is about 51481.6027431159. The cubic root of 2650355421 is about 1383.8893677159.

Adding to 2650355421 its reverse (1245530562), we get a palindrome (3895885983).

The spelling of 2650355421 in words is "two billion, six hundred fifty million, three hundred fifty-five thousand, four hundred twenty-one".