2032667981 has 2 divisors, whose sum is σ = 2032667982. Its totient is φ = 2032667980.

The previous prime is 2032667963. The next prime is 2032668061. The reversal of 2032667981 is 1897662302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1514377225 + 518290756 = 38915^2 + 22766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2032667981 - 2²⁶ = 1965559117 is a prime.

It is a super-2 number, since 2×2032667981² = 8263478241965232722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2032667911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016333990 + 1016333991.

It is an arithmetic number, because the mean of its divisors is an integer number (1016333991).

Almost surely, 2^2032667981 is an apocalyptic number.

It is an amenable number.

2032667981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2032667981 is an equidigital number, since it uses as much as digits as its factorization.

2032667981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2032667981 is about 45085.1192856357. The cubic root of 2032667981 is about 1266.7438817734.

The spelling of 2032667981 in words is "two billion, thirty-two million, six hundred sixty-seven thousand, nine hundred eighty-one".