1980229337 has 2 divisors, whose sum is σ = 1980229338. Its totient is φ = 1980229336.

The previous prime is 1980229327. The next prime is 1980229351. The reversal of 1980229337 is 7339220891.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1944898201 + 35331136 = 44101^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1980229337 - 2⁸ = 1980229081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1980229327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990114668 + 990114669.

It is an arithmetic number, because the mean of its divisors is an integer number (990114669).

Almost surely, 2^1980229337 is an apocalyptic number.

It is an amenable number.

1980229337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980229337 is an equidigital number, since it uses as much as digits as its factorization.

1980229337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1980229337 is about 44499.7678308550. The cubic root of 1980229337 is about 1255.7557152756.

The spelling of 1980229337 in words is "one billion, nine hundred eighty million, two hundred twenty-nine thousand, three hundred thirty-seven".