2527983989 has 2 divisors, whose sum is σ = 2527983990. Its totient is φ = 2527983988.

The previous prime is 2527983979. The next prime is 2527984003. The reversal of 2527983989 is 9893897252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1335317764 + 1192666225 = 36542^2 + 34535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2527983989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2527983949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263991994 + 1263991995.

It is an arithmetic number, because the mean of its divisors is an integer number (1263991995).

Almost surely, 2^2527983989 is an apocalyptic number.

It is an amenable number.

2527983989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2527983989 is an equidigital number, since it uses as much as digits as its factorization.

2527983989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 62.

The square root of 2527983989 is about 50279.0611388081. The cubic root of 2527983989 is about 1362.2540455961.

The spelling of 2527983989 in words is "two billion, five hundred twenty-seven million, nine hundred eighty-three thousand, nine hundred eighty-nine".