2151543513 has 16 divisors (see below), whose sum is σ = 3318045696. Its totient is φ = 1214639760.

The previous prime is 2151543497. The next prime is 2151543521. The reversal of 2151543513 is 3153451512.

2151543513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2151543513 - 2⁴ = 2151543497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151543523) 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, 615453 + ... + 618938.

It is an arithmetic number, because the mean of its divisors is an integer number (207377856).

Almost surely, 2^2151543513 is an apocalyptic number.

It is an amenable number.

2151543513 is a deficient number, since it is larger than the sum of its proper divisors (1166502183).

2151543513 is a wasteful number, since it uses less digits than its factorization.

2151543513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234484.

The product of its digits is 9000, while the sum is 30.

The square root of 2151543513 is about 46384.7336200177. The cubic root of 2151543513 is about 1290.9716680219.

The spelling of 2151543513 in words is "two billion, one hundred fifty-one million, five hundred forty-three thousand, five hundred thirteen".