2151350406 has 12 divisors (see below), whose sum is σ = 4661259252. Its totient is φ = 717116796.

The previous prime is 2151350389. The next prime is 2151350477. The reversal of 2151350406 is 6040531512.

2151350406 is a `hidden beast` number, since 2 + 151 + 3 + 504 + 0 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2151350406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59759716 + ... + 59759751.

It is an arithmetic number, because the mean of its divisors is an integer number (388438271).

Almost surely, 2^2151350406 is an apocalyptic number.

2151350406 is an abundant number, since it is smaller than the sum of its proper divisors (2509908846).

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

2151350406 is a wasteful number, since it uses less digits than its factorization.

2151350406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119519475 (or 119519472 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2151350406 is about 46382.6519940376. The cubic root of 2151350406 is about 1290.9330441033.

Adding to 2151350406 its reverse (6040531512), we get a palindrome (8191881918).

The spelling of 2151350406 in words is "two billion, one hundred fifty-one million, three hundred fifty thousand, four hundred six".