2010465981 has 16 divisors (see below), whose sum is σ = 3135230400. Its totient is φ = 1269767664.

The previous prime is 2010465979. The next prime is 2010466009. The reversal of 2010465981 is 1895640102.

2010465981 is a `hidden beast` number, since 20 + 1 + 0 + 46 + 598 + 1 = 666.

It is not a de Polignac number, because 2010465981 - 2¹ = 2010465979 is a prime.

It is a super-2 number, since 2×2010465981² = 8083946921516584722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010465901) 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, 1959006 + ... + 1960031.

It is an arithmetic number, because the mean of its divisors is an integer number (195951900).

Almost surely, 2^2010465981 is an apocalyptic number.

It is an amenable number.

2010465981 is a deficient number, since it is larger than the sum of its proper divisors (1124764419).

2010465981 is a wasteful number, since it uses less digits than its factorization.

2010465981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919065 (or 3919059 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 2010465981 is about 44838.2200917922. The cubic root of 2010465981 is about 1262.1149457497.

The spelling of 2010465981 in words is "two billion, ten million, four hundred sixty-five thousand, nine hundred eighty-one".