2151530010 has 96 divisors (see below), whose sum is σ = 6613626240. Its totient is φ = 474816384.

The previous prime is 2151529997. The next prime is 2151530011. The reversal of 2151530010 is 100351512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2151530011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40612 + ... + 77151.

It is an arithmetic number, because the mean of its divisors is an integer number (68891940).

Almost surely, 2^2151530010 is an apocalyptic number.

2151530010 is an abundant number, since it is smaller than the sum of its proper divisors (4462096230).

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

2151530010 is a wasteful number, since it uses less digits than its factorization.

2151530010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117812 (or 117809 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 2151530010 is about 46384.5880654340. The cubic root of 2151530010 is about 1290.9689673209.

Adding to 2151530010 its reverse (100351512), we get a palindrome (2251881522).

The spelling of 2151530010 in words is "two billion, one hundred fifty-one million, five hundred thirty thousand, ten".