216988952627 has 2 divisors, whose sum is σ = 216988952628. Its totient is φ = 216988952626.

The previous prime is 216988952603. The next prime is 216988952651. The reversal of 216988952627 is 726259889612.

It is a balanced prime because it is at equal distance from previous prime (216988952603) and next prime (216988952651).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216988952627 is a prime.

It is a super-2 number, since 2×216988952627² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216988952657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108494476313 + 108494476314.

It is an arithmetic number, because the mean of its divisors is an integer number (108494476314).

Almost surely, 2^216988952627 is an apocalyptic number.

216988952627 is a deficient number, since it is larger than the sum of its proper divisors (1).

216988952627 is an equidigital number, since it uses as much as digits as its factorization.

216988952627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 65.

The spelling of 216988952627 in words is "two hundred sixteen billion, nine hundred eighty-eight million, nine hundred fifty-two thousand, six hundred twenty-seven".