662132389 has 2 divisors, whose sum is σ = 662132390. Its totient is φ = 662132388.

The previous prime is 662132357. The next prime is 662132413. The reversal of 662132389 is 983231266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642622500 + 19509889 = 25350^2 + 4417^2 .

It is a cyclic number.

It is not a de Polignac number, because 662132389 - 2⁵ = 662132357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662132489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331066194 + 331066195.

It is an arithmetic number, because the mean of its divisors is an integer number (331066195).

Almost surely, 2^662132389 is an apocalyptic number.

It is an amenable number.

662132389 is a deficient number, since it is larger than the sum of its proper divisors (1).

662132389 is an equidigital number, since it uses as much as digits as its factorization.

662132389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 662132389 is about 25731.9332542271. The cubic root of 662132389 is about 871.5954293647.

The spelling of 662132389 in words is "six hundred sixty-two million, one hundred thirty-two thousand, three hundred eighty-nine".