2151705010 has 128 divisors (see below), whose sum is σ = 4940103168. Its totient is φ = 656640000.

The previous prime is 2151705007. The next prime is 2151705019. The reversal of 2151705010 is 105071512.

It is not an unprimeable number, because it can be changed into a prime (2151705019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3768025 + ... + 3768595.

It is an arithmetic number, because the mean of its divisors is an integer number (38594556).

Almost surely, 2^2151705010 is an apocalyptic number.

2151705010 is an abundant number, since it is smaller than the sum of its proper divisors (2788398158).

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

2151705010 is a wasteful number, since it uses less digits than its factorization.

2151705010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 2151705010 is about 46386.4744295145. The cubic root of 2151705010 is about 1291.0039677537.

Adding to 2151705010 its reverse (105071512), we get a palindrome (2256776522).

The spelling of 2151705010 in words is "two billion, one hundred fifty-one million, seven hundred five thousand, ten".