2227294912649 has 2 divisors, whose sum is σ = 2227294912650. Its totient is φ = 2227294912648.

The previous prime is 2227294912643. The next prime is 2227294912669. The reversal of 2227294912649 is 9462194927222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1983759571600 + 243535341049 = 1408460^2 + 493493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2227294912649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2227294912643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113647456324 + 1113647456325.

It is an arithmetic number, because the mean of its divisors is an integer number (1113647456325).

Almost surely, 2^{2227294912649} is an apocalyptic number.

It is an amenable number.

2227294912649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227294912649 is an equidigital number, since it uses as much as digits as its factorization.

2227294912649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 59.

The spelling of 2227294912649 in words is "two trillion, two hundred twenty-seven billion, two hundred ninety-four million, nine hundred twelve thousand, six hundred forty-nine".