2151353009 has 16 divisors (see below), whose sum is σ = 2478441168. Its totient is φ = 1849761792.

The previous prime is 2151352999. The next prime is 2151353011. The reversal of 2151353009 is 9003531512.

It can be written as a sum of positive squares in 8 ways, for example, as 90193009 + 2061160000 = 9497^2 + 45400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151353009 - 2²⁰ = 2150304433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151353509) 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, 28742 + ... + 71615.

It is an arithmetic number, because the mean of its divisors is an integer number (154902573).

Almost surely, 2^2151353009 is an apocalyptic number.

It is an amenable number.

2151353009 is a deficient number, since it is larger than the sum of its proper divisors (327088159).

2151353009 is a wasteful number, since it uses less digits than its factorization.

2151353009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100484.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 2151353009 is about 46382.6800540892. The cubic root of 2151353009 is about 1290.9335647526.

The spelling of 2151353009 in words is "two billion, one hundred fifty-one million, three hundred fifty-three thousand, nine".