3985398749627 has 2 divisors, whose sum is σ = 3985398749628. Its totient is φ = 3985398749626.

The previous prime is 3985398749611. The next prime is 3985398749641. The reversal of 3985398749627 is 7269478935893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3985398749627 - 2⁴ = 3985398749611 is a prime.

It is not a weakly prime, because it can be changed into another prime (3985398740627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992699374813 + 1992699374814.

It is an arithmetic number, because the mean of its divisors is an integer number (1992699374814).

Almost surely, 2^{3985398749627} is an apocalyptic number.

3985398749627 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985398749627 is an equidigital number, since it uses as much as digits as its factorization.

3985398749627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4938071040, while the sum is 80.

The spelling of 3985398749627 in words is "three trillion, nine hundred eighty-five billion, three hundred ninety-eight million, seven hundred forty-nine thousand, six hundred twenty-seven".