214649957593 has 2 divisors, whose sum is σ = 214649957594. Its totient is φ = 214649957592.

The previous prime is 214649957551. The next prime is 214649957623. The reversal of 214649957593 is 395759946412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181670307984 + 32979649609 = 426228^2 + 181603^2 .

It is a cyclic number.

It is not a de Polignac number, because 214649957593 - 2¹³ = 214649949401 is a prime.

It is not a weakly prime, because it can be changed into another prime (214649957393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107324978796 + 107324978797.

It is an arithmetic number, because the mean of its divisors is an integer number (107324978797).

Almost surely, 2^214649957593 is an apocalyptic number.

It is an amenable number.

214649957593 is a deficient number, since it is larger than the sum of its proper divisors (1).

214649957593 is an equidigital number, since it uses as much as digits as its factorization.

214649957593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 64.

The spelling of 214649957593 in words is "two hundred fourteen billion, six hundred forty-nine million, nine hundred fifty-seven thousand, five hundred ninety-three".