2010621642 has 8 divisors (see below), whose sum is σ = 4021243296. Its totient is φ = 670207212.

The previous prime is 2010621589. The next prime is 2010621643. The reversal of 2010621642 is 2461260102.

It is a sphenic number, since it is the product of 3 distinct primes.

2010621642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2010621643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167551798 + ... + 167551809.

It is an arithmetic number, because the mean of its divisors is an integer number (502655412).

Almost surely, 2^2010621642 is an apocalyptic number.

2010621642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2010621642 is a wasteful number, since it uses less digits than its factorization.

2010621642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335103612.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2010621642 is about 44839.9558652771. The cubic root of 2010621642 is about 1262.1475181328.

Adding to 2010621642 its reverse (2461260102), we get a palindrome (4471881744).

The spelling of 2010621642 in words is "two billion, ten million, six hundred twenty-one thousand, six hundred forty-two".