1980361627 has 2 divisors, whose sum is σ = 1980361628. Its totient is φ = 1980361626.

The previous prime is 1980361573. The next prime is 1980361633. The reversal of 1980361627 is 7261630891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1980361627 - 2¹⁹ = 1979837339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1980362627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990180813 + 990180814.

It is an arithmetic number, because the mean of its divisors is an integer number (990180814).

Almost surely, 2^1980361627 is an apocalyptic number.

1980361627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980361627 is an equidigital number, since it uses as much as digits as its factorization.

1980361627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1980361627 is about 44501.2542182802. The cubic root of 1980361627 is about 1255.7836784045.

The spelling of 1980361627 in words is "one billion, nine hundred eighty million, three hundred sixty-one thousand, six hundred twenty-seven".